False-colour SEM of human seminiferous tubules
Numéro d’image : 11873682
| False-colour scanning electron micrograph of seminiferous tubules in the human testis (cross section),the site of production and maturation of sperm. Round undifferentiated cells lining the tubule wall (blue,pink) become sperm by halving their chromosome number,and transforming in a process which takes about two months. During this time the cells move toward the centre of the tubule and develop tails. Mature sperm migrate up the cavity of the tubule & are stored in the epididymis. 200-300 million sperm are released in an average ejaculation. Magnification: x135 at 6x7cm size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / UNIVERSITY LA SAPIENZA, ROME / DEPT. OF ANATOMY / PROF. P. MOTTA |
| Taille de l’image : | 4961 px × 4048 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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