A comparative study of sperm-egg interactions in birds.
A comparative study was made of the number of spermatozoa trapped on the outer perivitelline layer and the number of spermatozoa penetrating the inner perivitelline layer of the eggs of 27 species of bird. The total number of spermatozoa (trapped spermatozoa plus holes made by spermatozoa) varied be...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
1994
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