title: Electron microscopic studies on fetal and early postnatal testicular interstitial cells of mice.
mesh_terms: D000818:Animals; D002196:Capillaries; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D005347:Fibroblasts; D006056:Golgi Apparatus; D007985:Leydig Cells; D008264:Macrophages; D008297:Male; D051379:Mice; D008854:Microscopy, Electron; D008928:Mitochondria; D012270:Ribosomes; D013737:Testis / Q000166:cytology* / Q000196:embryology / Q000254:growth & development