Slide DMS164. [Adrenal, monkey, PTS]. This plastic-embedded thin section permits a more detailed study of the cytological features of the cortex and medulla components. Note especially the highly vacuolated appearance of the cells of the zona fasciculata. Explanation?

Schematic section through adrenal cortex (1-4) & medulla: 1. capsule; 2. zona glomerulosa; 3. zona fasciculata; 4. zona reticularis; 5. adrenal medulla