Science Source Feb 2010
EN_90286490_0343
![Science Source Feb 2010](img/medium/arch1/dvd0113/25/EN_90286490_0343.jpg)
Transmission 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.
2010-02-13
EAST NEWS
Science Source
Don W. Fawcett
9c2701
4,68MB
30cm x 42cm by 300dpi
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