testis

One of the paired male reproductive organs that produce spermatozoa and male sex hormones in humans and other vertebrates.

An analogous gland in an invertebrate animal, such as a flatworm or a mollusk.

A testicle.

Some rounded formation likened to a testicle: as, the testes of the brain.

A testicle.

A testicle of a vertebrate

An analogous gland in invertebrates such as the hydra

one of the two male reproductive glands that produce spermatozoa and secrete androgens