Endocrine and developmental correlates of unilateral cryptorchidism in a wild baboon


Journal Article

A wild, group‐living 8.5‐year‐old adult baboon was found to have only a single palpable testicle, the only case of cryptorchidism found among more than 200 males that we have examined. This young adult had an unusually small body size for his age, one that was comparable to that of immature males two years younger, and during maturation his body mass was increasingly small for his age. As a young adult, he also had very low testosterone concentrations, which, in combination with his small size, history of impaired growth, and the absence of any obvious scars around the scrotum, suggest that this is a case of spontaneous unilateral cryptorchidism of unknown cause rather than one of monorchidism arising from injury. Despite striking differences in his growth, adult body size, and testosterone levels, the male's cryptorchidism seemed to have relatively little effect on his social and sexual maturation in his natal group. Nonetheless, it may be related to his inability to gain entry into another group after dispersal. Copyright © 1992 Wiley‐Liss, Inc., A Wiley Company

Full Text

Duke Authors

Cited Authors

  • Altmann, J; Alberts, S; Sapolsky, RM

Published Date

  • January 1, 1992

Published In

Volume / Issue

  • 26 / 4

Start / End Page

  • 309 - 314

Electronic International Standard Serial Number (EISSN)

  • 1098-2345

International Standard Serial Number (ISSN)

  • 0275-2565

Digital Object Identifier (DOI)

  • 10.1002/ajp.1350260407

Citation Source

  • Scopus