The definition of an adrenal gland is a body part found above each kidney that makes steroid hormones, adrenaline, and noradrenaline.
An endocrine gland is an example of an adrenal gland.
either of a pair of endocrine organs lying immediately above the kidney, consisting of an inner medulla which produces epinephrine and norepinephrine and an outer cortex which produces a variety of steroidal hormones
Either of two small, dissimilarly shaped endocrine glands, one located above each kidney, consisting of the cortex, which secretes several steroid hormones, and the medulla, which secretes epinephrine. Also called suprarenal gland.
top: cross section of a right adrenal gland
bottom: placement of adrenal glands relative to kidneys