Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
Definition
The zona reticularis is the innermost layer of the adrenal cortex, involved in the production of androgens, which are sex hormones. This layer synthesizes small quantities of male hormones that are important for both sexes.
Paired organs located above the kidneys that produce a variety of hormones including adrenaline, cortisol, and androgens, playing a key role in stress response and metabolism