Assertion: semen's sperm | /r/CapableOf | penetrate egg
Facets:
value: during the fertilisation process
type: TEMPORAL
Source sentences:
text: His original use of the term capacitation referred to any physiological processes undergone by sperm while in the female reproductive tract that allowed the sperm to then penetrate an egg.
text: The acrosome is a thin sac that contains enzymes that help the sperm penetrate the egg during the fertilisation process. .