50.0 MB (2.2 MB compressed)
3542 x 4934 pixels
30.0 x 41.7 cm ⏐ 11.8 x 16.4 in (300dpi)
CLAUDIA STOCKER / SCIENCE PHOTO LIBRARY CLAUDIA STOCKER / SCIENCE PHOTO LIBRARY
Oocytes, illustration. Oocytes are immature egg cells, the female gametes (sex cells). Oocytes are encased in a glycoprotein shell called the zona pellucida that prevents more than one sperm from fertilising the same egg.
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