Re-examination of spermatogonial renewal in the rat by means of seminiferous tubules mounted "in toto".
D000818:Animals; D002455:Cell Division; D002467:Cell Nucleus; D008297:Male; D008954:Models, Biological; D051381:Rats; D013094:Spermatozoa / Q000166:cytology / Q000254:growth & development*; D013737:Testis / Q000033:anatomy & histology*