False-colour SEM of a field of human sperm
Numéro d’image : 11874089
| False colour scanning electron micrograph (SEM) of a field of human sperm,showing the division of the body of a single spermatozoon into a head & tail section. The tail of the sperm enables it to swim,an essential action in reaching & fertilising the female ovum. The mature male sex cell (the male gamete) is carried in the head,the top part of which is capped by the acrosome,which breaks down just before fertilisation,releasing a number of enzymes which assist in the penetration of the follicle cells that surround the female ovum. Magnification: X 214 at 35mm size. Original is bw print p624/026 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Scharf, David |
| Taille de l’image : | 3543 px × 5060 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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