- A small gland that makes steroid hormones, adrenaline, and noradrenaline. These hormones help control heart rate, blood pressure, and other important body functions. There are two adrenal glands, one on top of each kidney. Also called suprarenal gland.
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Adrenal gland — Endocrine system Adrenal gland … Wikipedia
adrenal gland — n. either of a pair of endocrine organs lying immediately above the kidney, consisting of an inner medulla which produces epinephrine and norepinephrine and an outer cortex which produces a variety of steroid hormones: see KIDNEY … English World dictionary
adrenal gland — Anat. one of a pair of ductless glands, located above the kidneys, consisting of a cortex, which produces steroidal hormones, and a medulla, which produces epinephrine and norepinephrine. Also called suprarenal gland. See diag. under kidney.… … Universalium
Adrenal gland — One of a pair of small glands, each of which sits on top of one of the kidneys. The adrenal is made up of an outer wall (the cortex) and an inner portion (the medulla). The adrenal glands produce hormones that help control the heart rate, blood… … Medical dictionary
adrenal gland — UK [əˈdriːn(ə)l ˌɡlænd] / US [əˈdrɪn(ə)l ˌɡlænd] noun [countable] Word forms adrenal gland : singular adrenal gland plural adrenal glands medical one of two small organs above your kidneys that produce adrenalin … English dictionary
adrenal gland — Capsule Cap sule (k[a^]p s[=u]l), n. [L. capsula a little box or chest, fr. capsa chest, case, fr. capere to take, contain: cf. F. capsule.] 1. (Bot.) a dry fruit or pod which is made up of several parts or carpels, and opens to discharge the… … The Collaborative International Dictionary of English
adrenal gland — noun either of a pair of complex endocrine glands situated near the kidney • Syn: ↑adrenal, ↑suprarenal gland • Derivationally related forms: ↑adrenal (for: ↑adrenal) • Hypernyms: ↑ … Useful english dictionary
adrenal gland — noun Date: 1875 either of a pair of complex endocrine organs near the anterior medial border of the kidney consisting of a mesodermal cortex that produces glucocorticoid, mineralocorticoid, and androgenic hormones and an ectodermal medulla that… … New Collegiate Dictionary
adrenal gland — absent in fishes but said to be present in sculpins (Cottidae). Interrenal cells associated with major blood vessels in the anterior kidney represent adrenal cortical tissue in fishes. Adrenal medullary cells are associated with sympathetic… … Dictionary of ichthyology
adrenal gland — /əˈdrinəl glænd/ (say uh dreenuhl gland) noun → suprarenal gland … Australian English dictionary