Term Name:	penetration of cumulus oophorus
Synonyms:	penetration of cumulus cells layer, penetration of cumulus mass
Definition:	The infiltration by sperm of the cumulus oophorus to reach the oocyte. The process involves digestive enzymes from a modified lysosome called the acrosome, situated at the head of the sperm.
Ontology:	GO: Biological Process [GO:0061956]    QuickGO    AmiGO