title: Ultrastructure of germ cell development in the human fetal testis.
mesh_terms: D002454:Cell Differentiation; D002466:Cell Nucleolus; D002467:Cell Nucleus; D003593:Cytoplasm; D005865:Gestational Age; D006056:Golgi Apparatus; D006801:Humans; D002479:Inclusion Bodies; D007365:Intercellular Junctions; D008297:Male; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D008938:Mitosis; D009940:Organoids; D010587:Phagocytosis; D012270:Ribosomes; D012708:Sertoli Cells / Q000166:cytology; D012728:Sex Chromatin; D013094:Spermatozoa / Q000166:cytology*; D013737:Testis / Q000166:cytology / Q000196:embryology*