adreno- or adren- /ə-dre-nō- or -drē-nō- or -dren or -drēn/

Denoting adrenal, adrenal glands, adrenalin

adrenal /ə-drēˈnəl/ adjective

1. Beside the kidneys
2. Of or relating to the adrenal glands, two small ductless glands over the kidneys, which secrete adrenaline and steroids (adrenal cortex the secreting outer part of the adrenal glands)

An adrenal gland

adrenaline or adrenalin /ə-drenˈə-lin/ noun

1. A hormone secreted by the adrenal glands that causes constriction of the arteries, so increasing blood pressure and stimulating the heart muscle (also (N American) epinephrine)
2. Also produced synthetically (as Adrenalin®) for this property

adrenerˈgic adjective

1. (of the sympathetic nerve fibres) releasing (a substance resembling) adrenaline
2. Activated by adrenaline
3. (of an agent) having the same effect as adrenaline

adrenocorticotrophic or adrenocorticotropic /-körˈtik-ō-trofˈik or -tropˈik/ adjective

(cortex and Gr trophē food) stimulating the activity of the adrenal cortex (adrenocorticotrop(h)ic hormone or adrenocorticotrop(h)in /-trofˈin, -tropˈin or -trōˈ/ see ACTH)

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