Zona Reticularis

**Definition:** The inner zone of the adrenal cortex. This zone produces the enzymes that convert PREGNENOLONE, a 21-carbon steroid, to 19-carbon steroids (DEHYDROEPIANDROSTERONE; and ANDROSTENEDIONE) via 17-ALPHA-HYDROXYPREGNENOLONE.

**Tree numbers:** - A06.300.071.140.970

**Synonyms:** - Adrenal Reticularis