Differentiation in interstitial cells and Sertoli cells in fetal guinea pig testes.
D000818:Animals; D002454:Cell Differentiation; D004721:Endoplasmic Reticulum; D005333:Fetus; D006168:Guinea Pigs; D008297:Male; D008722:Methods; D008854:Microscopy, Electron; D012708:Sertoli Cells / Q000166:cytology*; D013737:Testis / Q000166:cytology* / Q000196:embryology