Electron micrograph of a replica of the P-face of a guinea pig sperm tail. Three highly specialized regions are visible: the middle piece,the annulus,and the principal piece. The intramembrane particles in each piece vary in size,uniformity,and distribution. Enhancement of 9C2701 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Fawcett, Don W. |
Taille de l’image : | 3492 px × 4974 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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