adrenaline defined in 1951 year

adrenaline - adrenaline (adrenin, epinephrine);
adrenaline - Hormone secreted, together with closely related noradrenaline, by the medulla of the adrenal gland. Both substances are also secreted at many nerve endings of sympathetic nervous system, and this accounts for similarity of the action of adrenal medullary hormone to the effects of massive stimulation of sympathetic system (increased work of heart, blood pressure and blood-sugar; dilation of blood-vessels of muscles, heart and brain, and contraction of those of skin and viscera; widening of pupil; erection of hair, etc.). The relative amounts of adrenaline and noradrenaline secreted vary between different species of vertebrate. The two hormones have similar but not identical action. Both occur in some invertebrates. Adrenaline is amino-hydroxyphenyl-propionic acid.

near adrenaline in Knolik

letter "A"
start from "AD"

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