noun. A term introduced by J. J. Abel to designate the active blood-pressure raising principle of the adrenal glands. See also adrenalin.

noun. The proprietary name of a preparation made from the suprarenal capsule, which possesses marked hemostatic properties.

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

"a substance known as "epinephrin" secreted by the glands located just above the kidneys which is thrown into the blood stream and which raises the blood pressure of the mother and often produces not only colic in the babe, but many times throws him into severe convulsions."

catecholamine  endocrine  hormone  internal secretion  neurotransmitter