Assertion: acrosome's enzyme | /r/CapableOf | bind spermatozoon
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: In mammals the cortical reaction leads to a modification of the zona pellucida that blocks polyspermy; enzymes released by cortical granules digest sperm receptor glycoproteins ZP2 and ZP3 so that they can no longer bind spermatozoon.