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Question
Name the layers of adrenal cortex and mention their secretions.
Solution
The adrenal cortex has three layers namely Zona glomerulosa, Zona fasciculate and Zona reticulate.
- Zona glomerulosa which constitutes 15% of cortex is a thin outer layer that secretes minerals corticoids
- Zona fasciculate the middle widest layer constitutes 75% cortex and secretes glucocorticosteroids such as cortisol, corticosterone and small amount of adrenal androgen and oestrogen.
- Zona reticulate an inner layer of adrenal cortex constitute about 19% of the cortex and secretes adrenal androgen and small amount of estrogen and glucocorticoids.
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