subject![]() |
relation![]() |
object![]() |
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penetration of zona pellucida |
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multi-organism reproductive process (GO:0044703) |
penetration of zona pellucida |
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single fertilization (GO:0007338) |
penetration of zona pellucida |
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multicellular organismal reproductive process (GO:0048609) |
penetration of zona pellucida |
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multi-multicellular organism process (GO:0044706) |
This term has no children.