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We've curated a database of terms and conditions related to pediatric urology to help everyone learn more about the field.
The term refers to the absence of testis in the scrotum. It does not represent one type of congenital disease, but a number of different pathologies, manifested by a similar phenotype.
A true undescended testis is on its normal path of descent but is halted on its way down to the scrotum. The testes may be palpable or not, as in the case of testes arrested in the inguinal canal.