- acrosomal process
A long process actively protruded from the acrosomal region of the spermatozoon following contact with the egg and that assists penetration of the gelatinous capsule.
Dictionary of molecular biology. 2004.
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Acrosome reaction — During fertilization, the acrosome reaction is the reaction which occurs in the acrosome of the sperm as it approaches the egg. The acrosome is a cap like structure over the anterior half of the sperm s head.As the sperm approaches the zona… … Wikipedia
scruin — Actin binding protein found associated with the acrosomal process of Limulus polyphemus sperm. Scruin holds the microfilaments of the core process in a strained configuration so that the process is coiled. The myosin binding sites on the… … Dictionary of molecular biology
actomere — Site of actin filament nucleation in sperm of some echinoderms in which the acrosomal process is protruded by rapid assembly of a parallel microfilament bundle … Dictionary of molecular biology
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Spermiogenesis — is the final stage of spermatogenesis which sees the maturation of spermatids into mature, motile spermatozoa.PhasesThe process of spermiogenesis is traditionally divided into four stages: the Golgi phase, the cap phase, the acrosomal phase, and… … Wikipedia
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capacitation — C. is a process whereby the glycoprotein coat is modified and seminal proteins are removed from the surface of the sperm. There are no morphologic changes. C. occurs in in vitro fertilization; after c., the acrosomal reaction can occur. [L.… … Medical dictionary
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