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CHAPTER 18 - FEMALE REPRODUCTIVE SYSTEM
Histology Guide
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MICROGRAPH

NAME
EM 334 Zona Pellucida
TISSUE
Oocyte
IMAGE SIZE
6,496 x 5,296 pixels
103 MB
FILE SIZES
7,970 KB (grayscale)
10,440 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
65.8 nm
SOURCE
Prue Talbot
Biology Department
University of California - Riverside
Riverside, CA

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EM 334 Zona Pellucida

Zona Pellucida

Scanning electron micrograph (SEM) of an oocyte and cumulus cells. The oocyte is not visible but lies beneath the zona pellucida (orange). The woven surface of the zona pellucida can be seen between the cumulus cells (tan) that remain attached.

The glycoproteins of the zona pellucida bind to sperm and induce the acrosome reaction. Successful fertilization depends on the ability of the sperm to penetrate the zona pellucida.

Courtesy of Prue Talbot, Department of Cell Biology, University of California - Riverside, Riverside, CA.

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