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About: Hyperactivation     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:Cell100006484yago:LivingThing100004258yago:Object100002684yago:PhysicalEntity100001930yago:ReproductiveCell105456732yago:WikicatGermCellsyago:Whole100003553 New Facet based on Instances of this Class

Hyperactivation is a type of sperm motility. Hyperactivated sperm motility is characterised by a high amplitude, asymmetrical beating pattern of the sperm tail (flagellum). This type of motility may aid in sperm penetration of the zona pellucida, which encloses the ovum. Hyperactivation could then be followed by the acrosome reaction where the cap-like structure on the head of the cell releases the enzymes it contains. This facilitates the penetration of the ovum and fertilisation.