← Chapter 17
Anatomy & Physiology · Chapter 17
The Adrenal Gland
Each adrenal gland is really
two glands in one
— an outer
cortex
in three layers and an inner
medulla
. Tap each layer from outside in.
Zona glomerulosa
cross-section · outer → inner
The adrenal gland
cortex + medulla
The layers
Cortex mnemonic:
“
Salt, Sugar, Sex
— the deeper you go, the sweeter it gets.” (Aldosterone → cortisol → androgens.)
📷 Reference image
A real labeled figure to compare with the interactive above.
The Adrenal Gland — OpenStax, CC BY 3.0 (via Wikimedia Commons)
