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Topographical distribution of the gonadotrophs, mammotrophs, somatotrophs and thyrotrophs in the pituitary gland of the baboon (Papio cynocephalus)

Summary

The identification and regionalization of four pituitary parenchymal cell types, gonadotrophs, mammotrophs, somatotrophs and thyrotrophs, were studied in the baboon (Papio cynocephalus) hypophysis using immunocytochemistry. The gonadotrophs were homogeneously distributed throughout the entire pars distalis. Both mammotrophs and somatotrophs predominate at the superior and inferior poles of the organ. The medial and anteromedial regions are populated by mammotrophs and thyrotrophs, while the lateral and posterior portions of the pars distalis contain large numbers of somatotrophs.

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Correspondence to Dr. Damon C. Herbert.

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Herbert, D.C., Silverman, A.Y. Topographical distribution of the gonadotrophs, mammotrophs, somatotrophs and thyrotrophs in the pituitary gland of the baboon (Papio cynocephalus). Cell Tissue Res. 230, 233–238 (1983). https://doi.org/10.1007/BF00216044

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Key words

  • Baboon
  • Pituitary gland
  • Gonadotrophs
  • Mammotrophs
  • Somatotrophs
  • Thyrotrophs
  • Immunocytochemistry