adrenaline; epinephrine; a hormone secreted by the adrenal glands that increases heart rate and blood pressure, often used medically to treat asthma or allergic shock

the outer layer of the adrenal gland which produces essential hormones

The inner part of the adrenal gland that produces hormones such as adrenaline

noradrenaline; also known as norepinephrine or levarterenol