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diabetes insipidus : disorder caused by underproduction of ADH
https://openstax.org/books/biology/pages/37-key-terms
diabetes mellitus : disorder caused by low levels of insulin activity
https://openstax.org/books/biology/pages/37-key-terms
diabetogenic effect : effect of GH that causes blood glucose levels to rise similar to diabetes mellitus
https://openstax.org/books/biology/pages/37-key-terms
down-regulation : a decrease in the number of hormone receptors in response to increased hormone levels
https://openstax.org/books/biology/pages/37-key-terms
endocrine gland : gland that secretes hormones into the surrounding interstitial fluid, which then diffuse into blood and are carried to various organs and tissues within the body
https://openstax.org/books/biology/pages/37-key-terms
epinephrine : hormone released by the adrenal medulla in response to a short term stress
https://openstax.org/books/biology/pages/37-key-terms
erythropoietin (EPO) : hormone produced by the kidneys to stimulate red blood cell production in the bone marrow
https://openstax.org/books/biology/pages/37-key-terms
estrogens : - a group of steroid hormones, including estradiol and several others, that are produced by the ovaries and elicit secondary sex characteristics in females as well as control the maturation of the ova
https://openstax.org/books/biology/pages/37-key-terms
first messenger : the hormone that binds to a plasma membrane hormone receptor to trigger a signal transduction pathway
https://openstax.org/books/biology/pages/37-key-terms
follicle-stimulating hormone (FSH) : hormone produced by the anterior pituitary that stimulates gamete production
https://openstax.org/books/biology/pages/37-key-terms
G-protein : a membrane protein activated by the hormone first messenger to activate formation of cyclic AMP
https://openstax.org/books/biology/pages/37-key-terms
gigantism : condition caused by overproduction of GH in children
https://openstax.org/books/biology/pages/37-key-terms
glucagon : hormone produced by the alpha cells of the pancreas in response to low blood sugar; functions to raise blood sugar levels
https://openstax.org/books/biology/pages/37-key-terms
glucocorticoid : corticosteroid that affects glucose metabolism
https://openstax.org/books/biology/pages/37-key-terms
gluconeogenesis : synthesis of glucose from amino acids
https://openstax.org/books/biology/pages/37-key-terms
glucose-sparing effect : effect of GH that causes tissues to use fatty acids instead of glucose as an energy source
https://openstax.org/books/biology/pages/37-key-terms
glycogenolysis : breakdown of glycogen into glucose
https://openstax.org/books/biology/pages/37-key-terms
goiter : enlargement of the thyroid gland caused by insufficient dietary iodine levels
https://openstax.org/books/biology/pages/37-key-terms
gonadotropin : hormone that regulates the gonads, including FSH and LH
https://openstax.org/books/biology/pages/37-key-terms
growth hormone (GH) : hormone produced by the anterior pituitary that promotes protein synthesis and body growth
https://openstax.org/books/biology/pages/37-key-terms
growth hormone-inhibiting hormone (GHIH) : hormone produced by the hypothalamus that inhibits growth hormone production, also called somatostatin
https://openstax.org/books/biology/pages/37-key-terms
growth hormone-releasing hormone (GHRH) : hormone released by the hypothalamus that triggers the release of GH
https://openstax.org/books/biology/pages/37-key-terms
hormonal stimuli : release of a hormone in response to another hormone
https://openstax.org/books/biology/pages/37-key-terms
hormone receptor : the cellular protein that binds to a hormone
https://openstax.org/books/biology/pages/37-key-terms
humoral stimuli : control of hormone release in response to changes in extracellular fluids such as blood or the ion concentration in the blood
https://openstax.org/books/biology/pages/37-key-terms
hyperglycemia : high blood sugar level
https://openstax.org/books/biology/pages/37-key-terms
hyperthyroidism : overactivity of the thyroid gland
https://openstax.org/books/biology/pages/37-key-terms
hypoglycemia : low blood sugar level
https://openstax.org/books/biology/pages/37-key-terms
hypophyseal portal system : system of blood vessels that carries hormones from the hypothalamus to the anterior pituitary
https://openstax.org/books/biology/pages/37-key-terms
hypothyroidism : underactivity of the thyroid gland
https://openstax.org/books/biology/pages/37-key-terms
insulin : hormone produced by the beta cells of the pancreas in response to high blood glucose levels; functions to lower blood glucose levels
https://openstax.org/books/biology/pages/37-key-terms
insulin-like growth factor (IGF) : growth-promoting protein produced by the liver
https://openstax.org/books/biology/pages/37-key-terms
intracellular hormone receptor : a hormone receptor in the cytoplasm or nucleus of a cell
https://openstax.org/books/biology/pages/37-key-terms
islets of Langerhans (pancreatic islets) : endocrine cells of the pancreas
https://openstax.org/books/biology/pages/37-key-terms
isthmus : tissue mass that connects the two lobes of the thyroid gland
https://openstax.org/books/biology/pages/37-key-terms
leptin : hormone produced by adipose tissue that promotes feelings of satiety and reduces hunger
https://openstax.org/books/biology/pages/37-key-terms
lipid-derived hormone : hormone derived mostly from cholesterol
https://openstax.org/books/biology/pages/37-key-terms
mineralocorticoid : corticosteroid that affects ion and water balance
https://openstax.org/books/biology/pages/37-key-terms
neural stimuli : stimulation of endocrine glands by the nervous system
https://openstax.org/books/biology/pages/37-key-terms
norepinephrine : hormone released by the adrenal medulla in response to a short-term stress hormone production by the gonads
https://openstax.org/books/biology/pages/37-key-terms
osmoreceptor : receptor in the hypothalamus that monitors the concentration of electrolytes in the blood
https://openstax.org/books/biology/pages/37-key-terms
oxytocin : hormone released by the posterior pituitary to stimulate uterine contractions during childbirth and milk let-down in the mammary glands
https://openstax.org/books/biology/pages/37-key-terms
pancreas : organ located between the stomach and the small intestine that contains exocrine and endocrine cells
https://openstax.org/books/biology/pages/37-key-terms
parafollicular cell : thyroid cell that produces the hormone calcitonin
https://openstax.org/books/biology/pages/37-key-terms
parathyroid gland : gland located on the surface of the thyroid that produces parathyroid hormone
https://openstax.org/books/biology/pages/37-key-terms
parathyroid hormone (PTH) : hormone produced by the parathyroid glands in response to low blood Ca2+levels; functions to raise blood Ca2+levels
https://openstax.org/books/biology/pages/37-key-terms
peptide hormone : hormone composed of a polypeptide chain
https://openstax.org/books/biology/pages/37-key-terms
phosphodiesterase (PDE) : enzyme that deactivates cAMP, stopping hormone activity
https://openstax.org/books/biology/pages/37-key-terms
pituitary dwarfism : condition caused by underproduction of GH in children
https://openstax.org/books/biology/pages/37-key-terms
pituitary gland : endocrine gland located at the base of the brain composed of an anterior and posterior region; also called hypophysis
https://openstax.org/books/biology/pages/37-key-terms
pituitary stalk : (also, infundibulum) stalk that connects the pituitary gland to the hypothalamus
https://openstax.org/books/biology/pages/37-key-terms
plasma membrane hormone receptor : a hormone receptor on the surface of the plasma membrane of a cell
https://openstax.org/books/biology/pages/37-key-terms
posterior pituitary : extension of the brain that releases hormones produced by the hypothalamus; along with the infundibulum, it is also referred to as the neurohypophysis
https://openstax.org/books/biology/pages/37-key-terms
prolactin (PRL) : hormone produced by the anterior pituitary that stimulates milk production
https://openstax.org/books/biology/pages/37-key-terms
prolactin-inhibiting hormone : hormone produced by the hypothalamus that inhibits the release of prolactin
https://openstax.org/books/biology/pages/37-key-terms
prolactin-releasing hormone : hormone produced by the hypothalamus that stimulates the release of prolactin
https://openstax.org/books/biology/pages/37-key-terms
renin : enzyme produced by the juxtaglomerular apparatus of the kidneys that reacts with angiotensinogen to cause the release of aldosterone
https://openstax.org/books/biology/pages/37-key-terms
thymus : gland located behind the sternum that produces thymosin hormones that contribute to the development of the immune system
https://openstax.org/books/biology/pages/37-key-terms
thyroglobulin : glycoprotein found in the thyroid that is converted into thyroid hormone
https://openstax.org/books/biology/pages/37-key-terms
thyroid gland : endocrine gland located in the neck that produces thyroid hormones thyroxine and triiodothyronine
https://openstax.org/books/biology/pages/37-key-terms
thyroid-stimulating hormone (TSH) : hormone produced by the anterior pituitary that controls the release of T3and T4from the thyroid gland
https://openstax.org/books/biology/pages/37-key-terms
thyroxine (tetraiodothyronine, T4) : thyroid hormone containing 4 iodines that controls the basal metabolic rate
https://openstax.org/books/biology/pages/37-key-terms
triiodothyronine (T3) : thyroid hormone containing 3 iodines that controls the basal metabolic rate
https://openstax.org/books/biology/pages/37-key-terms
up-regulation : an increase in the number of hormone receptors in response to increased hormone levels
https://openstax.org/books/biology/pages/37-key-terms
The three types of skeleton designs are hydrostatic skeletons, exoskeletons, and endoskeletons. A hydrostatic skeleton is formed by a fluid-filled compartment held under hydrostatic pressure; movement is created by the muscles producing pressure on the fluid. An exoskeleton is a hard external skeleton that protects the...
https://openstax.org/books/biology/pages/38-chapter-summary
Bone, or osseous tissue, is connective tissue that includes specialized cells, mineral salts, and collagen fibers. The human skeleton can be divided into long bones, short bones, flat bones, and irregular bones. Compact bone tissue is composed of osteons and forms the external layer of all bones. Spongy bone tissue is ...
https://openstax.org/books/biology/pages/38-chapter-summary
The structural classification of joints divides them into bony, fibrous, cartilaginous, and synovial joints. The bones of fibrous joints are held together by fibrous connective tissue; the three types of fibrous joints are sutures, syndesomes, and gomphoses. Cartilaginous joints are joints in which the bones are connec...
https://openstax.org/books/biology/pages/38-chapter-summary
The body contains three types of muscle tissue: skeletal muscle, cardiac muscle, and smooth muscle. Skeleton muscle tissue is composed of sarcomeres, the functional units of muscle tissue. Muscle contraction occurs when sarcomeres shorten, as thick and thin filaments slide past each other, which is called the sliding f...
https://openstax.org/books/biology/pages/38-chapter-summary
abduction : when a bone moves away from the midline of the body
https://openstax.org/books/biology/pages/38-key-terms
acetylcholinesterase : (AChE) enzyme that breaks down ACh into acetyl and choline
https://openstax.org/books/biology/pages/38-key-terms
actin : globular contractile protein that interacts with myosin for muscle contraction
https://openstax.org/books/biology/pages/38-key-terms
adduction : movement of the limbs inward after abduction
https://openstax.org/books/biology/pages/38-key-terms
amphiarthrosis : joint that allows slight movement; includes syndesmoses and symphyses
https://openstax.org/books/biology/pages/38-key-terms
angular movement : produced when the angle between the bones of a joint changes
https://openstax.org/books/biology/pages/38-key-terms
appendicular skeleton : composed of the bones of the upper limbs, which function to grasp and manipulate objects, and the lower limbs, which permit locomotion
https://openstax.org/books/biology/pages/38-key-terms
appositional growth : increase in the diameter of bones by the addition of bone tissue at the surface of bones
https://openstax.org/books/biology/pages/38-key-terms
articulation : any place where two bones are joined
https://openstax.org/books/biology/pages/38-key-terms
auditory ossicle : (also, middle ear) transduces sounds from the air into vibrations in the fluid-filled cochlea
https://openstax.org/books/biology/pages/38-key-terms
axial skeleton : forms the central axis of the body and includes the bones of the skull, the ossicles of the middle ear, the hyoid bone of the throat, the vertebral column, and the thoracic cage (ribcage)
https://openstax.org/books/biology/pages/38-key-terms
ball-and-socket joint : joint with a rounded, ball-like end of one bone fitting into a cuplike socket of another bone
https://openstax.org/books/biology/pages/38-key-terms
bone : (also, osseous tissue) connective tissue that constitutes the endoskeleton
https://openstax.org/books/biology/pages/38-key-terms
bone remodeling : replacement of old bone tissue by new bone tissue
https://openstax.org/books/biology/pages/38-key-terms
calcification : process of deposition of mineral salts in the collagen fiber matrix that crystallizes and hardens the tissue
https://openstax.org/books/biology/pages/38-key-terms
cardiac muscle : tissue muscle tissue found only in the heart; cardiac contractions pump blood throughout the body and maintain blood pressure
https://openstax.org/books/biology/pages/38-key-terms
carpus : eight bones that comprise the wrist
https://openstax.org/books/biology/pages/38-key-terms
cartilaginous joint : joint in which the bones are connected by cartilage
https://openstax.org/books/biology/pages/38-key-terms
circumduction : movement of a limb in a circular motion.
https://openstax.org/books/biology/pages/38-key-terms
clavicle : S-shaped bone that positions the arms laterally
https://openstax.org/books/biology/pages/38-key-terms
compact bone : forms the hard external layer of all bones
https://openstax.org/books/biology/pages/38-key-terms
condyloid joint : oval-shaped end of one bone fitting into a similarly oval-shaped hollow of another bone
https://openstax.org/books/biology/pages/38-key-terms
coxal bone : hip bone
https://openstax.org/books/biology/pages/38-key-terms
cranial bone : one of eight bones that form the cranial cavity that encloses the brain and serves as an attachment site for the muscles of the head and neck
https://openstax.org/books/biology/pages/38-key-terms
depression : movement downward of a bone, such as after the shoulders are shrugged and the scapulae return to their normal position from an elevated position; opposite of elevation
https://openstax.org/books/biology/pages/38-key-terms
diaphysis : central shaft of bone, contains bone marrow in a marrow cavity
https://openstax.org/books/biology/pages/38-key-terms
diarthrosis : joint that allows for free movement of the joint; found in synovial joints
https://openstax.org/books/biology/pages/38-key-terms
dorsiflexion : bending at the ankle such that the toes are lifted toward the knee
https://openstax.org/books/biology/pages/38-key-terms
elevation : movement of a bone upward, such as when the shoulders are shrugged, lifting the scapulae
https://openstax.org/books/biology/pages/38-key-terms
endochondral ossification : process of bone development from hyaline cartilage
https://openstax.org/books/biology/pages/38-key-terms
endoskeleton : skeleton of living cells that produce a hard, mineralized tissue located within the soft tissue of organisms
https://openstax.org/books/biology/pages/38-key-terms
epiphyseal plate : region between the diaphysis and epiphysis that is responsible for the lengthwise growth of long bones
https://openstax.org/books/biology/pages/38-key-terms