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ACTH a hormone produced by the anterior pituitary that stimulates the cortex of the adrenal gland to produce cortisone and other hormones; adrenocorticotropic hormone.
adrenal of or pertaining to glands located near the kidneys that produce the hormone epinephrine. [1/3 definitions]
adrenaline the hormone secreted by the adrenal glands; epinephrine.
anabolic steroid a synthetic hormone sometimes used by athletes to increase muscle size or strength, but widely prohibited by athletic leagues, associations, and the like.
androgen any substance, such as a hormone, that promotes masculine characteristics.
androstenedione a steroid hormone precursor to testosterone and estrogen that is secreted by the testes, ovaries, and adrenal cortex.
androsterone a male sex hormone, excreted in the urine of both males and females, and synthetically manufactured from cholesterol.
calcitonin a polypeptide hormone secreted by the thyroid that lowers blood calcium.
Circadian rhythm the approximately 24-hour cycle apparent in plants and animals that regulates hormone production, cell regeneration, sleeping and feeding patterns, and the like. [1/2 definitions]
cortisol a hormone released from the adrenal cortex in response to stress that suppresses the immune system and increases blood sugar. When used as a drug, this hormone is called hydrocortisone.
cortisone a hormone produced by the adrenal cortex or made synthetically, used esp. to treat arthritis and certain allergies.
cretinism a chronic disease that is usu. present at birth and is due to a deficiency of thyroid hormone, resulting in physical and mental stunting, deformity, and often goiter.
dehydroepiandrosterone a steroid hormone produced by the adrenal glands, gonads, and brain that is a precursor of androgens and estrogens.
dihydrotestosterone an androgenic hormone derived from testosterone.
epinephrine a hormone produced by the adrenal gland that stimulates muscle tissue and raises blood pressure; adrenaline. [1/2 definitions]
estradiol an estrogen hormone found in the ovaries that causes the tissues and blood vessels of the mucous membranes lining the uterus to proliferate and thicken. [2 definitions]
estriol an estrogen hormone found in the ovaries and in the urine during a normal pregnancy. [2 definitions]
hydrocortisone the hormone cortisol used pharmaceutically.
hyperparathyroidism an abnormally high level of parathyroid hormone in the blood, resulting in disrupted calcium metabolism, bone loss, and increased risk of kidney stones.
insulin a hormone of the pancreas that controls the metabolism of carbohydrates by regulating the level of glucose in the blood. [2 definitions]
kinin a hormone in the body that lowers blood pressure, causes smooth muscles to contract, increases permeability of blood vessels, and the like.