Atlas One · Host Biology · Scale 06 — Organ

Adrenal Gland

Paired retroperitoneal glands (~5 g each). Cortex: aldosterone (ZG, RAAS), cortisol (ZF, HPA), DHEA (ZR). Medulla: epinephrine/norepinephrine from chromaffin cells. Essential for stress response, blood pressure, immune modulation, and electrolyte homeostasis.

Also known as: suprarenal gland, adrenal cortex, adrenal medulla, zona glomerulosa, zona fasciculata, zona reticularis

Scale 06 — OrganScale
draftStatus
2026-06-05Last Reviewed
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adrenal-gland

Adrenal Gland

Paired retroperitoneal glands (~5 g each). Cortex: aldosterone (ZG, RAAS), cortisol (ZF, HPA), DHEA (ZR). Medulla: epinephrine/norepinephrine from chromaffin cells. Essential for stress response, blood pressure, immune modulation, and electrolyte homeostasis.