adrenal gland

an endocrine gland adjacent to the kidney. Its outer layer, the adrenal cortex, secretes such hormones as androgens, glucocorticoids, and mineralocorticoids. Its inner core, the adrenal medulla, secretes the hormones epinephrine and norepinephrine, both of which are catecholamines and also serve as neurotransmitters. Also called suprarenal gland.

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Psychology term of the day

February 20th 2025

arteriosclerosis

n. a group of diseases characterized by hardening and loss of elasticity of the walls of the arteries. A common type is atherosclerosis. —arteriosclerotic adj.