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Menger proved the following characterization theorem of semimetric spaces:A semimetric space ( R , d ) {\displaystyle (R,d)} is isometrically embeddable in the n {\displaystyle n} -dimensional Euclidean space R n {\displaystyle \mathbb {R} ^{n}} , but not in R m {\displaystyle \mathbb {R} ^{m}} for any 0 ≤ m < n {\disp... | Wikipedia - Distance geometry | null | null | null |
Menkes disease, a genetic condition of copper deficiency, was first described by John Menkes in 1962. It is a rare X-linked disorder that affects approximately 1/200,000 live births, primarily boys. Livers of Menkes disease patients cannot absorb essential copper needed for patients to survive. | Wikipedia - Copper in biology | null | null | null |
Death usually occurs in early childhood: most affected individuals die before the age of 10 years, although several patients have survived into their teens and early 20s.The protein produced by the Menkes gene is responsible for transporting copper across the gastrointestinal tract (GIT) mucosa and the blood–brain barr... | Wikipedia - Copper in biology | null | null | null |
The disease therefore resembles a severe nutritional copper deficiency despite adequate ingestion of copper. Symptoms of the disease include coarse, brittle, depigmented hair and other neonatal problems, including the inability to control body temperature, intellectual disability, skeletal defects, and abnormal connect... | Wikipedia - Copper in biology | null | null | null |
Reduced lysyl oxidase activity results in defective collagen and elastin polymerization and corresponding connective-tissue abnormalities including aortic aneurisms, loose skin, and fragile bones.With early diagnosis and treatment consisting of daily injections of copper histidine intraperitoneally and intrathecally to... | Wikipedia - Copper in biology | null | null | null |
Investigations into the transport of copper across the blood/brain barrier, which are based on studies of genetically altered mice, are designed to help researchers understand the root cause of copper deficiency in Menkes disease. The genetic makeup of transgenic mice is altered in ways that help researchers garner new... | Wikipedia - Copper in biology | null | null | null |
Menses should cease within 5 months of testosterone therapy (often sooner). If bleeding continues past 5 months, transgender men are strongly encouraged to see a gynecologist. A retrospective chart review of 74 menstruating individuals treated with intramuscular injected testosterone found that 4 stopped after the firs... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
The time to menstrual cessation was individualized, with only a small correlation to testosterone dosage. Clitoromegaly occurs, and frequently reaches its apex within 2–3 years of therapy. | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
Sizes generally range from 3–8 cm with 4–5 cm being about average. This is genetically determined, but some physicians advocate topical clitoral testosterone as an adjunct to growth before metoidioplasty. However, this testosterone is absorbed and should be calculated into one's total regimen. | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
After long-term androgen therapy, ovaries may develop polycystic ovary syndrome (PCOS) morphology, as both PCOS and transgender men there is an up-regulation of testosterone receptors in the ovaries. Untreated PCOS is associated with a possibly increased risk of endometrial cancer as well as decreased fertility. It is ... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
It is unlikely to be determined in the near future because ovarian cancer is a relatively rare disease and the population of transgender men is too small to do the appropriate study. However, it has been recommended by some physicians that transgender men have an oophorectomy within 2–5 years of starting androgen thera... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
The risk of endometrial cancer is similarly unknown. A large multicenter study along with review of previous studies, noted no increased prevalence of endometrial hyperplasia or malignancy in transgender men undergoing hysterectomy. However while the endometrial linings in these studies were noted to be thin, they rema... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
Transgender men who have any bleeding after the cessation of menses with androgen therapy should be evaluated for age appropriate causes of abnormal uterine bleeding as per cisgender female guidelines. Adults with a uterus/cervix are advised to have a Pap smear per guidelines (Human papillomavirus infection). Use of te... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
Some transgender men report a decrease in breast size with androgen therapy. However, no morphological changes were found when this was studied and likely it is due to loss of fat in the breasts. Androgen therapy (and suppression of estrogen production) may cause vaginal atrophy and dryness, which may result in dyspare... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
This can be alleviated with topical estrogen cream. Most transgender men report a significantly increased libido. Some report that this decreases somewhat after several years on testosterone. While testosterone decreases ovulation, it is not an approved form of contraception; transgender men who engage in sex which pla... | Wikipedia - Transgender hormone therapy (female-to-male) | null | null | null |
Mental disorders are often defined by 'dysfunction' in psychiatric manuals such as the DSM, without a precise definition of what constitutes dysfunction, allowing any mental state deemed socially unacceptable (such as homosexuality) to be considered dysfunctional, and thus a mental disorder. Evolutionary theory is uniq... | Wikipedia - Evolutionary psychiatry | null | null | null |
Eyes evolved to see – the function of the eyes is to see – so dysfunctional eyes are those that cannot see. This sense of function is defined by the evolutionary history of eyesight providing reproductive success, not current cultural opinions of normality and abnormality on which common conceptions of health and disor... | Wikipedia - Evolutionary psychiatry | null | null | null |
Wakefield proposes that mental disorder must be both harmful, in a value-defined sense, and dysfunctional, in an evolutionary sense. This grounding of dysfunction in an objective historical process is important in the context of psychiatry's history of labelling socially undesirable mental states and traits as 'disorde... | Wikipedia - Evolutionary psychiatry | null | null | null |
Current diagnostic manuals are decided by consensus. For example, in 1973 the APA called a vote to reconsider homosexuality's status as a mental disorder. By a 58% majority, it was struck off. | Wikipedia - Evolutionary psychiatry | null | null | null |
The category of borderline personality disorder was created upon the basis of a single paper and consensus between about a dozen psychiatrists. In 2014 psychiatrists voted on the features of a new disorder, internet gaming disorder. The reliance on votes and expert consensus rather than objective evidence or biomarkers... | Wikipedia - Evolutionary psychiatry | null | null | null |
Mental fatigue is a temporary inability to maintain optimal cognitive performance. The onset of mental fatigue during any cognitive activity is gradual, and depends upon an individual's cognitive ability, and also upon other factors, such as sleep deprivation and overall health. Mental fatigue has also been shown to de... | Wikipedia - Chronic Fatigue | null | null | null |
Research also suggests that mental fatigue is closely linked to the concept of ego depletion, though the validity of the concept is disputed. For example, one pre-registered study of 686 participants found that after exerting mental effort, people are likely to disengage and become less interested in exerting further e... | Wikipedia - Chronic Fatigue | null | null | null |
For instance, a person who is sufficiently somnolent may experience microsleep. However, objective cognitive testing can be used to differentiate the neurocognitive deficits of brain disease from those attributable to tiredness.The perception of mental fatigue is believed to be modulated by the brain's reticular activa... | Wikipedia - Chronic Fatigue | null | null | null |
Mental health conditions such as depression, anxiety have been linked to biological inequity factors such as air pollution, noise pollution and area deprivation | Wikipedia - Biological inequity | null | null | null |
Menthofuran can be synthesized from 5-methylcyclohexane-1,3-dione and allenyldimethylsulfonium bromide in two steps via a furannulation strategy consisting of enolate addition and rearrangement. | Wikipedia - Menthofuran | null | null | null |
MentorSET is a mentoring scheme for engineers, inspired by the WES President Petra Gratton (née Godwin) in 2000. The scheme was a collaborative project with national network of women scientists (AWISE). It was a mentoring scheme to help women in their career and to support them back into engineering after a career brea... | Wikipedia - Women's Engineering Society | null | null | null |
Meralgia paresthetica is a neuropathic pain or numbness of the thighs, sometimes associated with obesity. | Wikipedia - Morbidly obese | null | null | null |
Merali, Zeeya (Apr 18, 2012). "Not-quite-so elementary, my dear electron". Nature. | Wikipedia - Holon (physics) | null | null | null |
Springer Nature. doi:10.1038/nature.2012.10471. ISSN 1476-4687. Retrieved 10 May 2019. | Wikipedia - Holon (physics) | null | null | null |
Mercerization is a treatment for cotton fabric and thread that gives fabric or yarns a lustrous appearance and strengthens them. The process is applied to cellulosic materials like cotton or hemp. A further possibility is mercerizing during which the fabric is treated with a sodium hydroxide solution to cause swelling ... | Wikipedia - Wet process engineering | null | null | null |
This results in improved luster, strength, and dye affinity. Cotton is mercerized under tension, and all alkalis must be washed out before the tension is released or shrinkage will take place. Mercerizing can take place directly on grey cloth, or after bleaching. | Wikipedia - Wet process engineering | null | null | null |
Merchants sometimes maintain a record of customers who chargeback regularly, in a "negative database". | Wikipedia - Card statement | null | null | null |
Mercurous chloride decomposes into mercury(II) chloride and elemental mercury upon exposure to UV light. Hg2Cl2 → HgCl2 + HgThe formation of Hg can be used to calculate the number of photons in the light beam, by the technique of actinometry. By utilizing a light reaction in the presence of mercury(II) chloride and amm... | Wikipedia - Eder reaction | null | null | null |
Mercury (Hg) is a liquid down to −39 °C (see the Melting point). Bonding forces are weaker for Hg–Hg bonds than for their immediate neighbors such as cadmium (m.p. 321 °C) and gold (m.p. | Wikipedia - Relativistic effect | null | null | null |
1064 °C). The lanthanide contraction only partially accounts for this anomaly. Mercury in the gas phase is alone among metals in that it is quite typically found in a monomeric form as Hg(g). Hg22+(g) also forms, and it is a stable species due to the relativistic shortening of the bond.Hg2(g) does not form because the ... | Wikipedia - Relativistic effect | null | null | null |
Mercury batteries use either pure mercury(II) oxide (HgO)—also called mercuric oxide—or a mixture of HgO with manganese dioxide (MnO2) as the cathode. Mercuric oxide is a non-conductor, so some graphite is mixed with it; the graphite also helps prevent collection of mercury into large droplets. The half-reaction at the... | Wikipedia - Mercury battery | null | null | null |
Mercury may be measured in blood or urine to confirm a diagnosis of poisoning in hospitalized people or to assist in the forensic investigation in a case of fatal over dosage. Some analytical techniques are capable of distinguishing organic from inorganic forms of the metal. The concentrations in both fluids tend to re... | Wikipedia - Mercury poisoning | null | null | null |
Mercury supports data archiving, data discovery through various search strategies (text string, fielded, spatial, temporal), data reuse , and longer-term scientific digital data stewardship, and supports a range of recognized data exchange and interoperability protocols and supports various metadata standards including... | Wikipedia - Mercury (metadata search system) | null | null | null |
Mercury telluride was the first topological insulator discovered, in 2007. Topological insulators cannot support an electric current in the bulk, but electronic states confined to the surface can serve as charge carriers. | Wikipedia - Mercury(II) telluride | null | null | null |
Mercury(II) is the most common oxidation state and is the main one in nature as well. All four mercuric halides are known. They form tetrahedral complexes with other ligands but the halides adopt linear coordination geometry, somewhat like Ag+ does. Best known is mercury(II) chloride, an easily sublimating white solid. | Wikipedia - Mercury contamination | null | null | null |
HgCl2 forms coordination complexes that are typically tetrahedral, e.g. HgCl2−4. Mercury(II) oxide, the main oxide of mercury, arises when the metal is exposed to air for long periods at elevated temperatures. It reverts to the elements upon heating near 400 °C, as was demonstrated by Joseph Priestley in an early synth... | Wikipedia - Mercury contamination | null | null | null |
Hydroxides of mercury are poorly characterized, as they are for its neighbors gold and silver. Being a soft metal, mercury forms very stable derivatives with the heavier chalcogens. Preeminent is mercury(II) sulfide, HgS, which occurs in nature as the ore cinnabar and is the brilliant pigment vermillion. | Wikipedia - Mercury contamination | null | null | null |
Like ZnS, HgS crystallizes in two forms, the reddish cubic form and the black zinc blende form. The latter sometimes occurs naturally as metacinnabar. Mercury(II) selenide (HgSe) and mercury(II) telluride (HgTe) are also known, these as well as various derivatives, e.g. mercury cadmium telluride and mercury zinc tellur... | Wikipedia - Mercury contamination | null | null | null |
These include Millon's base (Hg2N+), the one-dimensional polymer (salts of HgNH+2)n), and "fusible white precipitate" or Cl2. Known as Nessler's reagent, potassium tetraiodomercurate(II) (HgI2−4) is still occasionally used to test for ammonia owing to its tendency to form the deeply colored iodide salt of Millon's base... | Wikipedia - Mercury contamination | null | null | null |
Mereological essentialism is a position defended in the debate regarding material constitution. For instance, several answers have been proposed regarding the question: "What is the relationship between a statue and the lump of clay from which it is made?" Coincidentalism is the view that the statue and the lump of cla... | Wikipedia - Mereological essentialism | null | null | null |
Mereological essentialism is typically taken to be a thesis about concrete material objects, but it may also be applied to abstract objects, such as a set or proposition. If mereological essentialism is correct, a proposition, or thought, has its parts essentially; in other words, it has ontological commitments to all ... | Wikipedia - Mereological essentialism | null | null | null |
Mereological nihilism entails the denial of what is called classical mereology, which is succinctly defined by philosopher Achille Varzi: Mereology (from the Greek μερος, 'part') is the theory of parthood relations: of the relations of part to whole and the relations of part to part within a whole. Its roots can be tra... | Wikipedia - Mereological nihilism | null | null | null |
Nihilists typically claim that our senses give us the (false) impression that there are composite material objects, and then attempt to explain why nonetheless our thought and talk about such objects is 'close enough' to the truth to be innocuous and reasonable in most conversational contexts. Sider's linguistic revisi... | Wikipedia - Mereological nihilism | null | null | null |
Tallant has argued that mereological nihilism is committed to answering the following question: when is it that a group of mereological simples is arranged in a particular way? What relations must maintain among a group of mereological simples such that they are arranged table-wise? It seems the nihilist can determine ... | Wikipedia - Mereological nihilism | null | null | null |
Merge sort takes advantage of the ease of merging already sorted lists into a new sorted list. It starts by comparing every two elements (i.e., 1 with 2, then 3 with 4...) and swapping them if the first should come after the second. It then merges each of the resulting lists of two into lists of four, then merges those... | Wikipedia - Sort algorithms | null | null | null |
Of the algorithms described here, this is the first that scales well to very large lists, because its worst-case running time is O(n log n). It is also easily applied to lists, not only arrays, as it only requires sequential access, not random access. However, it has additional O(n) space complexity, and involves a lar... | Wikipedia - Sort algorithms | null | null | null |
Merge-insertion sort performs the following steps, on an input X {\displaystyle X} of n {\displaystyle n} elements: Group the elements of X {\displaystyle X} into ⌊ n / 2 ⌋ {\displaystyle \lfloor n/2\rfloor } pairs of elements, arbitrarily, leaving one element unpaired if there is an odd number of elements. Perform ⌊ n... | Wikipedia - Merge-insert sort | null | null | null |
Insert the remaining ⌈ n / 2 ⌉ − 1 {\displaystyle \lceil n/2\rceil -1} elements of X ∖ S {\displaystyle X\setminus S} into S {\displaystyle S} , one at a time, with a specially chosen insertion ordering described below. Use binary search in subsequences of S {\displaystyle S} (as described below) to determine the posit... | Wikipedia - Merge-insert sort | null | null | null |
This is because, for those lengths, all outcomes of the search use the same number of comparisons as each other. To choose an insertion ordering that produces these lengths, consider the sorted sequence S {\displaystyle S} after step 4 of the outline above (before inserting the remaining elements), and let x i {\displa... | Wikipedia - Merge-insert sort | null | null | null |
Merging aspects of Marxism, socialism, environmentalism and ecology, eco-socialists generally believe that the capitalist system is the cause of social exclusion, inequality and environmental degradation through globalization and imperialism under the supervision of repressive states and transnational structures.In the... | Wikipedia - Eco-socialism | null | null | null |
For Kovel, this "tearing down of boundaries and limits to accumulation is known as globalization", which was "a deliberate response to a serious accumulation crisis (in the 1970s) that had convinced the leaders of the global economy to install what we know as neoliberalism. "Furthermore, Ramachandra Guha and Joan Marti... | Wikipedia - Eco-socialism | null | null | null |
However, as Wall highlights, such campaigns are often ignored or persecuted precisely because they originate among the most marginalized in society: the African-American radical green religious group MOVE, campaigning for ecological revolution and animal rights from Philadelphia, had many members imprisoned or even kil... | Wikipedia - Eco-socialism | null | null | null |
Kovel uses the Bhopal industrial disaster as an example. Many anti-corporate observers would blame the avarice of those at the top of many multi-national corporations, such as the Union Carbide Corporation in Bhopal, for seemingly isolated industrial accidents. Conversely, Kovel suggests that Union Carbide were experie... | Wikipedia - Eco-socialism | null | null | null |
Meriones unguiculatus, other Meriones and jirds, and other rodents are common hosts. Dogs,: 2 Mustela nivalis, Atelerix algirus, and Paraechinus aethiopicus are rare hosts. Cattle are also commonly infected. Mice are natural hosts. Transmission between mice is via Phlebotomus papatasi. | Wikipedia - Leishmania major | null | null | null |
Merriam and others (2007) state: "studies of informal learning, especially those asking about adults' self-directed learning projects, reveal that upwards of 90 percent of adults are engaged in hundreds of hours of informal learning. It has also been estimated that the great majority (upwards of 70 percent) of learning... | Wikipedia - Informal learning | null | null | null |
Merrilactone A was found to exhibit a significant neurotrophic activity, such as greatly promoting neurite outgrowth in the primary cultures of fetal rat cortical neurons at concentrations from 10 to 0.1 μmol/L. It was also found that this compound had a property of neuroprotection at same concentration. | Wikipedia - Merrilactone A | null | null | null |
Merriman, Bence & Osher (1992) describe a scheme operating on a two-dimensional square grid – effectively an array of pixels. The curve to be evolved is represented by assigning the value 0 (black) to pixels exterior to the curve, and 1 (white) to pixels interior to the curve, giving the indicator function for the inte... | Wikipedia - Curve shortening flow | null | null | null |
Set every pixel with numerical value less than 1/2 to 0, and every pixel with numerical value greater than 1/2 to 1, thresholding the image back to its original values in new positions.In order for this scheme to be accurate, the time step must be large enough to cause the curve to move by at least one pixel even at po... | Wikipedia - Curve shortening flow | null | null | null |
Mersad and colleagues used an EEG frequency tagging technique to differentiate between brain activity for the integrated whole object and brain activity for parts of the object. The results showed that the visual system binds two humans in close proximity as part of an integrated whole. These results are consistent wit... | Wikipedia - Unity of consciousness | null | null | null |
Mertens function(218) = 3, a record high. 218 is nontotient and also noncototient. 218 is the number of inequivalent ways to color the 12 edges of a cube using at most 2 colors, where two colorings are equivalent if they differ only by a rotation of the cube. There are 218 nondegenerate Boolean functions of 3 variables... | Wikipedia - 218 (number) | null | null | null |
Mesalazine is the active moiety of sulfasalazine, which is metabolized to sulfapyridine and mesalazine. It is also the active component of the prodrug balsalazide along with the inert carrier molecule 4-aminobenzoyl-beta-alanine. It is in the category of disease-modifying antirheumatic drugs (DMARDs) family of medicati... | Wikipedia - 5-Aminosalicylic acid | null | null | null |
Meshfree methods do not require a mesh connecting the data points of the simulation domain. Meshfree methods enable the simulation of some otherwise difficult types of problems, at the cost of extra computing time and programming effort. | Wikipedia - Numerical partial differential equations | null | null | null |
Meshing from 3D imaging data presents a number of challenges but also unique opportunities for presenting a more realistic and accurate geometrical description of the computational domain. There are generally two ways of meshing from 3D imaging data: | Wikipedia - Image-based meshing | null | null | null |
Meshulam proved that, for every graph G: η H ( I ( G ) ) ≥ Ψ ( G ) {\displaystyle \eta _{H}(I(G))\geq \Psi (G)} where η H ( I ( G ) ) {\displaystyle \eta _{H}(I(G))} is the homological connectivity of I ( G ) {\displaystyle I(G)} plus 2. | Wikipedia - Meshulam's game | null | null | null |
Mesocarb is a mesoionic sydnone imine. It has the amphetamine-backbone present, except that the RN has a complicated imine side-chain present. | Wikipedia - Mesocarb | null | null | null |
Mesocyclones are medium-scale vortices of rising and converging air that circulate around a vertical axis. They are most often associated with a local region of low-pressure. Their rotation is (usually) in the same direction as low pressure systems in a given hemisphere: counter-clockwise in the northern, and clockwise... | Wikipedia - Low-level mesocyclone | null | null | null |
A mesocyclone is usually a phenomenon that is difficult to observe directly. Visual evidence of rotation – such as curved inflow bands – may suggest the presence of a mesocyclone, but the cylinder of circulating air is often too large to be recognized when viewed from the ground, or may not carry clouds distinct enough... | Wikipedia - Low-level mesocyclone | null | null | null |
Mesohabitat types are defined by their hydromorphological units (HMUs), such as pools and rapids, geomorphology, land cover and other hydrological characteristics. Mesohabitats are mapped under multiple flow conditions at extensive sites along the river. Fish data is collected in randomly distributed mesohabitats where... | Wikipedia - Mesohabitat simulation model | null | null | null |
Rating curves represent the changes in relative area of suitable habitat in response to flow and allow for the determination of habitat quantity at any given flow within the range of surveys. These rating curves can be developed for river units of any size allowing conclusions to be drawn about the suitability of chann... | Wikipedia - Mesohabitat simulation model | null | null | null |
In combination with hydrologic time series, rating curves are used to create Continuous Under Threshold (CUT) curves for the analysis of frequency, magnitude and duration of significant habitat events. The CUT curve technique described by Capra et al. (1995) defines critical thresholds and determines what habitat varia... | Wikipedia - Mesohabitat simulation model | null | null | null |
Mesophytes do not have any specific morphological adaptations. They usually have broad, flat and green leaves; an extensive fibrous root system to absorb water; and the ability to develop perennating organs such as corms, rhizomes and bulbs to store food and water for use during drought. | Wikipedia - Mesophyte | null | null | null |
Mesopotamian mathematics and science was based on a sexagesimal (base 60) numeral system. This is the source of the 60-minute hour, the 24-hour day, and the 360-degree circle. The Sumerian calendar was lunisolar, with three seven-day weeks of a lunar month. This form of mathematics was instrumental in early map-making. | Wikipedia - Mesopotamian science | null | null | null |
The Babylonians also had theorems on how to measure the area of several shapes and solids. They measured the circumference of a circle as three times the diameter and the area as one-twelfth the square of the circumference, which would be correct if π were fixed at 3. The volume of a cylinder was taken as the product o... | Wikipedia - Mesopotamian science | null | null | null |
Also, there was a recent discovery in which a tablet used π as 25/8 (3.125 instead of 3.14159~). The Babylonians are also known for the Babylonian mile, which was a measure of distance equal to about seven modern miles (11 km). This measurement for distances eventually was converted to a time-mile used for measuring th... | Wikipedia - Mesopotamian science | null | null | null |
Mesosphere DC/OS (short for Datacenter Operating System), is an open-source, distributed operating system built with Apache Mesos. It was developed by Mesosphere (before the company renamed) and announced in April 2016. The difference between DC/OS and other cluster managers is the ability to provide dedicated containe... | Wikipedia - Datacenter Operating System | null | null | null |
Mesozoic theropods were also very diverse in terms of skin texture and covering. Feathers or feather-like structures (filaments) are attested in most lineages of theropods (see feathered dinosaur). However, outside the coelurosaurs, feathers may have been confined to the young, smaller species, or limited parts of the ... | Wikipedia - Theropod dinosaur | null | null | null |
In some species, these were interspersed with larger scales with bony cores, or osteoderms. This type of skin is best known in the ceratosaur Carnotaurus, which has been preserved with extensive skin impressions.The coelurosaur lineages most distant from birds had feathers that were relatively short and composed of sim... | Wikipedia - Theropod dinosaur | null | null | null |
Simple filaments are also seen in therizinosaurs, which also possessed large, stiffened "quill"-like feathers. More fully feathered theropods, such as dromaeosaurids, usually retain scales only on the feet. Some species may have mixed feathers elsewhere on the body as well. | Wikipedia - Theropod dinosaur | null | null | null |
Scansoriopteryx preserved scales near the underside of the tail, and Juravenator may have been predominantly scaly with some simple filaments interspersed. On the other hand, some theropods were completely covered with feathers, such as the troodontid Anchiornis, which even had feathers on the feet and toes.Based on a ... | Wikipedia - Theropod dinosaur | null | null | null |
Message Waiting Indication group of DCS values serves to set or reset flags indicating presence of unread voicemail, fax, e-mail or other messages. | Wikipedia - Data Coding Scheme | null | null | null |
Message authentication codes (MACs) mainly aim at data origin authentication, but they can also provide non-repudiation in certain realistic scenarios when a trusted third party is involved. In principle, the same idea can be exploited in the framework of quantum MACs. However, a broad class of quantum MACs does not se... | Wikipedia - Quantum digital signature | null | null | null |
Messages that the body uses to influence thoughts, senses, movements, and survival are directed by nerve impulses transmitted across brain tissue and to the rest of the body. Neurons are the basic functional unit of the nervous system and are highly specialized cells that are capable of sending these signals that opera... | Wikipedia - Neural Engineering | null | null | null |
Neuronal activity is dependent upon neural membrane potential and the changes that occur along and across it. A constant voltage, known as the membrane potential, is normally maintained by certain concentrations of specific ions across neuronal membranes. Disruptions or variations in this voltage create an imbalance, o... | Wikipedia - Neural Engineering | null | null | null |
Depolarization of the membrane past its threshold potential generates an action potential, which is the main source of signal transmission, known as neurotransmission of the nervous system. An action potential results in a cascade of ion flux down and across an axonal membrane, creating an effective voltage spike train... | Wikipedia - Neural Engineering | null | null | null |
Mestanolone, also known as 17α-methyl-4,5α-dihydrotestosterone (17α-methyl-DHT) or as 17α-methyl-5α-androstan-17β-ol-3-one, is a synthetic androstane steroid and a 17α-alkylated derivative of dihydrotestosterone (DHT). It differs from DHT only by the presence of the methyl group at the C17α position. Close synthetic re... | Wikipedia - Mestanolone | null | null | null |
Mesterolone, also known as 1α-methyl-4,5α-dihydrotestosterone (1α-methyl-DHT) or as 1α-methyl-5α-androstan-17β-ol-3-one, is a synthetic androstane steroid and derivative of DHT. It is specifically DHT with a methyl group at the C1α position. Closely related AAS include metenolone and its esters metenolone acetate and m... | Wikipedia - Mesterolone | null | null | null |
Mestranol, also known as ethinylestradiol 3-methyl ether (EEME) or as 17α-ethynyl-3-methoxyestra-1,3,5(10)-trien-17β-ol, is a synthetic estrane steroid and a derivative of estradiol. It is specifically a derivative of ethinylestradiol (17α-ethynylestradiol) with a methyl ether at the C3 position. | Wikipedia - Mestranol | null | null | null |
Meta analyses performed using seed-based d mapping have reported grey matter reductions in a number of frontal regions. One meta analysis of early onset general depression reported grey matter reductions in the bilateral anterior cingulate cortex (ACC) and dorsomedial prefrontal cortex (dmPFC). One meta analysis on fir... | Wikipedia - Biology of depression | null | null | null |
Increases in thalamic and ACC grey matter was reported in the medication free and medicated populations respectively. A meta analysis performed using "activation likelihood estimate" reported reductions in the paracingulate cortex, dACC and amygdala.Using statistical parametric mapping, one meta analysis replicated pre... | Wikipedia - Biology of depression | null | null | null |
Subcortical abnormalities, including reductions in hippocampus and amygdala volumes, which were especially pronounced in early onset depression. Multiple meta analysis have been performed on studies assessing white matter integrity using fractional anisotropy (FA). Reduced FA has been reported in the corpus callosum (C... | Wikipedia - Biology of depression | null | null | null |
The extent of CC reductions differs from study to study. People with MDD who have not taken antidepressants before have been reported to have reductions only in the body of the CC and only in the genu of the CC. On the other hand, general MDD samples have been reported to have reductions in the body of the CC, the body... | Wikipedia - Biology of depression | null | null | null |
Meta databases are databases of databases that collect data about data to generate new data. They are capable of merging information from different sources and making it available in a new and more convenient form, or with an emphasis on a particular disease or organism.. originally ,metadata was only common term refer... | Wikipedia - List of biological databases | null | null | null |
Meta-analyses found that increased perceived psychological stress was associated with a small decrease in telomere length—but that these associations attenuate to no significant association when accounting for publication bias. The literature concerning telomeres as integrative biomarkers of exposure to stress and adve... | Wikipedia - Telomere | null | null | null |
Meta-analysis can also be applied to combine IPD and AD. This is convenient when the researchers who conduct the analysis have their own raw data while collecting aggregate or summary data from the literature. The generalized integration model (GIM) is a generalization of the meta-analysis. It allows that the model fit... | Wikipedia - Meta analysis | null | null | null |
Meta-analytic research shows that psychological well-being scales correlate strongly with all of the Big Five personality traits. Neuroticism is the strongest Big Five predictor of psychological well-being, correlating negatively with psychological well-being. In particular, openness has strong connections with persona... | Wikipedia - Psychological well-being | null | null | null |
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