| Name | penetration of cumulus oophorus |
| ID | GO_0061956 |
| collection_id | Biological process |
| Exact synonym | penetration of cumulus cells layer, penetration of cumulus mass |
| Description | 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. |
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