Sex Hormones

From WikiVet English
Jump to navigation Jump to search

Sex hormones are produced by the zona reticularis of the adrenal glands in addition to those produced by the ovary and testis.

The testes produce androgens. These increase mitosis in the skin as well as increasing hair growth over the body. They also increase sebaceous gland secretion.


The ovary produces oestrogens and progesterone. Effects of oestrogens include a decrease in collagen production, a decrease in sebaceous secretion and decreased epidermal thickness. They also decrease hair growth, but increase skin pigment