| testicle | <anatomy> One of two glandular bodies contained in the scrotum of the male, they form sperm and also the male sex hormone testosterone. (13 Jan 1998) |
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| undescended testis | A testis that has failed to descend into the scrotum; there are palpable and unpalpable (impalpable) variants. Synonym: cryptorchid testis. (05 Mar 2000) |