The primary reproductive organ of male and female animals, in which develop the gametes or sex cells. The gonads are usually paired organs. In the male the gonad is a testis, which produces sperm. In the female the gonad is the ovary, which produces ova (eggs). A hermaphrodite animal possesses both types.
The activities of the gonads – both male and female – are regulated by gonadotrophin-releasing hormones released by the pituitary gland.
Related category• ANATOMY AND PHYSIOLOGY
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