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Transcript
Figure 7.5
Stages of egg maturation at the time of sperm entry in different
animal species. The germinal vesicle is the name given to the large
diploid nucleus of the primary oocyte. The polar bodies are seen as
smaller cells. (After Austin 1965.)
Meroistic oogenesis
7.2 The modification of a germ cell to form a mammalian sperm (Part 1)
7.2 The modification of a germ cell to form a mammalian sperm (Part 2)
7.2 The modification of a germ cell to form a mammalian sperm (Part 3)
7.8 Summary of events leading to fusion of egg & sperm plasma membranes in the sea urchin (1)
7.8 Summary of events leading to fusion of egg & sperm plasma membranes in the mouse (2)
7.6 The sea urchin egg cell surface (Part 2)
7.15 Scanning electron micrographs of the entry of sperm into sea urchin eggs
Palumbi 2009