Sex Hormones
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Sex hormones are produced by the zona reticularis of the adrenal glands in addition to those produced by the ovary and testis:
- Testis: Produces androgens:
- Increase mitoses in skin.
- Increase sebaceous secrretion.
- Increase hair growth.
- Ovary: Produces oestrogens and progesterone. Effects of oestrogens include:
- Decreased collagen production.
- Decreased sebaceous secretion.
- Decreased epidermal thickness.
- Decreased hair growth.
- Increased skin pigmentation.