|the plural of testis|
|—n , pl -tes|
|another word for testicle|
|[C17: from Latin, literally: witness (to masculinity)]|
testis tes·tis (těs'tĭs)
n. pl. tes·tes (-tēz)
The male reproductive gland, the source of spermatozoa and the androgens, normally occurring paired in an external scrotum. Also called didymus, orchis.
|testis (těs'tĭs) Pronunciation Key
Plural testes (těs'tēz)
The primary reproductive organ of male animals, in which sperm and the male sex hormones (androgens) are produced. In most vertebrates, the testes are contained inside the body. In many mammals, however, the testes are enclosed in an external scrotum.