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acrosomal reaction

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acrosomal reaction
[ak′rəsō′məl]
the pattern of various chemical changes that occur in the anterior of the head of the spermatozoon in response to contact with the ovum and that lead to the sperm's penetration and fertilization of the ovum.
acrosomal reaction
Reproductive medicine A necessary and irreversible step in fertilization which is triggered by sperm receptor, in which the sperm's and ovum's plasma membranes fuse and the sperm penetrates the zona pellucida. Cf Capacitation.
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14) These antibodies may lead to premature acrosomal reaction, sperm-zona pellucida binding abnormality, and sperm capacitation inhibition.
Varicocele and antisperm antibody: fact or fiction? by Pourmand, Gholamreza / Southern Medical Journal
Nonmotile sperm can fertilize following an acrosomal reaction in proximity of an egg.
Cryopreservation of sperm of red abalone (Haliotis rufescens) by Tiersch, Terrence R. / Journal of Shellfish Research
In addition, environmental estrogens have been shown to inhibit the human sperm acrosomal reaction (Turner et al.
Xenoestrogen-induced ERK-1 and ERK-2 activation via multiple ... by Watson, Cheryl S. / Environmental Health Perspectives
 
 
 
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