Human testis, light micrograph. Shows spermatogonia, spermatocytes in meiosis, spermatids, and spermatozoa. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / CHOKSAWATDIKORN |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |