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Yritit hakea fraasilla, joka sisältää useita sanoja. Parempien hakutulosten saamiseksi kokeile hakea sanoja erikseen: cortical, reaction
| Monikko | cortical reactions |
(embryology) A reaction that manifests during fertilization, when the sperm cell coalesces with the egg's plasma membrane; this prevents entry of a second sperm
Human ovum. The zona pellucida is seen as a thick clear girdle surrounded by the cells of the corona radiata.
(embryology) A reaction that manifests during fertilization, when the sperm cell coalesces with the egg's plasma membrane; this prevents entry of a second sperm
Cortical reaction in echinoderms (sea urchins). After sperm contact with egg, cortical granules release contents into perivitelline space, causing vitelline envelope to become the fertilization envelope.