testis

n. (pl. testes) the principal male reproductive organ, a pair of which is normally located in the scrotum. The testes produce sperm in the seminiferous tubules (see spermatogenesis) and male sex hormones (androgens) in interstitial cells. See testicle. See also cryptorchidism; hypermobile testes.

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Psychology term of the day

December 19th 2024

UG

UG

abbreviation for universal grammar.