Adrenal glands

Definition

Adrenal glands are small, triangular-shaped glands located on top of both kidneys that produce various hormones including adrenaline, cortisol, and aldosterone. These hormones help regulate metabolism, immune system response, blood pressure, and stress responses.

Related terms

Cortisol: A steroid hormone produced by the adrenal cortex that regulates a wide range of processes throughout the body, including metabolism and the immune response.

Adrenaline (Epinephrine): A hormone secreted by the adrenal glands that increases heart rate, muscle strength, blood pressure, and sugar metabolism in response to stress (fight or flight response).

Aldosterone: A hormone produced by the adrenal cortex that helps regulate blood pressure by maintaining salt and water balance in the body