Spermatogenesis in human testicle, light micrographs
Human testicle, light micrographs. The bottom micrograph shows a seminiferous tubule. In the top micrograph the cell types of the male germinal epithelium have been marked with colour. See are; Sertoli cells (yellow), spermatogonia (pink), primary spermatocytes in pachytene phase (blue), spermatids (green), spermatozoa (red) and residual bodies (light blue)., by JOSE CALVO / SCIENCE PHOTO LIBRARY
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