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Formation of Sperm Entry Holes in the Vitelline Membrane of Hydroides hexagonus (Annelida) and Evidence of their Lytic Origin
Electron micrographs of inseminated eggs of Hydroides hexagonus previously had shown that in the immediate vicinity of the penetrating spermatozoön a small portion of the vitelline membrane regularly was absent, and it had been suggested that this area was a hole made by lytic activity of the indivi...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
The Rockefeller University Press
1960
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2224800/ https://www.ncbi.nlm.nih.gov/pubmed/13811391 |