Zona Pellucida

A tough transparent membrane surrounding the OVUM. It is penetrated by the sperm during FERTILIZATION.
National Institutes of Health

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Highly Cited
2011
Highly Cited
2011
To fuse with oocytes, spermatozoa of eutherian mammals must pass through extracellular coats, the cumulus cell layer, and the… (More)
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Highly Cited
2008
Highly Cited
2008
Polyspermy is an important anomaly of fertilization in placental mammals, causing premature death of the embryo. It is especially… (More)
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Highly Cited
2007
Highly Cited
2007
Zona pellucida binding protein 1 (ZPBP1), a spermatid and spermatozoon protein that localizes to the acrosome, was originally… (More)
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Review
2005
Review
2005
Many eukaryotic proteins share a sequence designated as the zona pellucida (ZP) domain. This structural element, present in… (More)
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Highly Cited
2000
Highly Cited
2000
Cattle, pig and sheep oocytes isolated from healthy cumulus-oocyte complexes were pooled, within species, to provide samples of… (More)
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Highly Cited
1997
Highly Cited
1997
The mouse zona pellucida is composed of three glycoproteins, ZP1, ZP2 and ZP3, encoded by single-copy genes whose expression is… (More)
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Highly Cited
1996
Highly Cited
1996
GROWTH factors synthesized by ovarian somatic cells directly affect oocyte growth and function1–6, but it is unclear whether… (More)
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Highly Cited
1994
Highly Cited
1994
Exocytosis in mammalian spermatozoa (the acrosome reaction) is a process essential for fertilization. Both progesterone and zona… (More)
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Highly Cited
1994
Highly Cited
1994
The physiological function of mammalian sperm acrosin has long been believed to be involved in the limited proteolysis of the… (More)
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Highly Cited
1994
Highly Cited
1994
Full length zona pellucida cDNAs from cat, dog and pig that are homologous to the ZP2/rc75 genes from mouse, human and rabbit, a… (More)
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