The clinical term for failure of one or both testes to descend into the scrotum before birth is:

1. During the seventh month of fetal development, each testis normally moves from the abdomen down into the scrotum. 2. This normal movement is called the descent of the testis. 3. When this descent fails to occur for one or both testes, a specific clinical term applies. 4. This condition is called cryptorchidism. _Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 27 "The Reproductive System", p.1282 §Testes_