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Cryptorchidism MeSH Descriptor Data 2025


MeSH Heading
Cryptorchidism
Tree Number(s)
C12.100.500.829.258
C12.200.294.829.258
C12.200.706.258
C12.800.258
C16.131.939.258
C19.391.829.258
Unique ID
D003456
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D003456
Scope Note
A developmental defect in which a TESTIS or both TESTES failed to descend from high in the ABDOMEN to the bottom of the SCROTUM. Testicular descent is essential to normal SPERMATOGENESIS which requires temperature lower than the BODY TEMPERATURE. Cryptorchidism can be subclassified by the location of the maldescended testis.
Entry Term(s)
Abdominal Cryptorchidism
Bilateral Cryptorchidism
Cryptorchidism, Unilateral Or Bilateral
Cryptorchism
Inguinal Cryptorchidism
Testes, Undescended
Testis, Undescended
Undescended Testis
Unilateral Cryptorchidism
NLM Classification #
WJ 840
See Also
Gubernaculum
Public MeSH Note
95; was CRYPTORCHISM 1963-94
Online Note
95; use CRYPTORCHIDISM to search CRYPTORCHISM 1966-94
History Note
95; was CRYPTORCHISM 1963-94
Date Established
1995/01/01
Date of Entry
1999/01/01
Revision Date
2021/06/30
Cryptorchidism Preferred
Bilateral Cryptorchidism Narrower
Unilateral Cryptorchidism Narrower
Abdominal Cryptorchidism Narrower
Inguinal Cryptorchidism Narrower
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