[Spermatogonia of mammals and the spermatogonium B (Knudsen cell) of the bull (Bos taurus L.)].
D000818:Animals; D002417:Cattle; D005854:Germ Cells / Q000166:cytology*; D008297:Male; D008322:Mammals; D008938:Mitosis; D013091:Spermatogenesis
Espermatogonias de mamíferos y espermatogonia B célula de Knudsen del toro (Bos taurus L.