title: [Ultrastructure of the crystalloid in the spermatogonia and Sertoli cells in normal children's testes].
mesh_terms: D000367:Age Factors; D002467:Cell Nucleus; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D012708:Sertoli Cells / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*
vernacular_title: Zur Ultrastruktur der Kristalloide in den Spermatogonien und Sertolizellen normaler Kinderhoden