Knowledge of the morphology of adult germ cells and of their characteristic cellular associations in the 13 adult spermatogenic stages serves as basis for the systematic analysis of the developing pubertal seminiferous epithelium. The stages and types of germ cells composing them (defined by Clermont 1954) are documented in Figs. 3 (stages I–IV), 4 (stages V–VIII), 5 (stages IX–XII), and 6 (stage XIII). Progress of spermatogenesis and stepwise maturation of germ cells may be followed most easily by comparing the micrographs of the seminiferous epithelium at the different stages (Figs. 3–6) with their respective representations in the cycle map of Fig. 2.


Germ Cell Sertoli Cell Leydig Cell Seminiferous Epithelium Pachytene Spermatocyte 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Andreas Miething
    • 1
  1. 1.Institute of AnatomyUniversity of BonnBonnGermany

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