Množina: adrenalins

A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

Množina: adrenalines

Or epinephrine; Hormone secreted by the medulla of the adrenal glands.
Adrenaline's action on the liver raises blood-sugar levels by stimulating glucose production; it also increases the heart rate, raises blood fatty-acid levels by its action on adipose tissue, and constricts and dilates blood vessels selectively.
Hormone of adrenal gland; preparation from such secretion or synthetic drug used as hemostatic and heart stimulant.A hormone secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action; SYN. epinephrine, epinephrin, Adrenalin.