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

May 8th 2024

axiom

axiom

n. in logic and philosophy, a universally accepted proposition that is not capable of proof or disproof. An axiom can be used as the starting point for a chain of deductive reasoning. Also called postulate. [from Greek axioma, “worthy thing”] —axiomatic adj.