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- Zona_pellucida abstract "The zona pellucida (plural zonae pellucidae, also egg coat or pellucid zone) is found in mammalian eggs. It is a glycoprotein membrane surrounding the plasma membrane of an oocyte. It is a vital constitutive part of the oocyte, external but of essential importance to it. The zona pellucida first appears in unilaminar primary oocytes. It is secreted by both the oocyte and the follicular cells. The zona pellucida is surrounded by the cumulus oophorus. The cumulus is composed of cells that care for the egg when it is emitted from the ovary.This structure binds spermatozoa, and is required to initiate the acrosome reaction.In the mouse (the best characterised mammalian system), the zona glycoprotein, ZP3, is responsible for sperm binding, adhering to proteins on the sperm plasma membrane (GalT). ZP3 is then involved in the induction of the acrosome reaction, whereby a spermatozoon releases the contents of the acrosomal vesicle. The exact characterisation of what occurs in other species has become more complicated as further zona proteins have been identified.In humans, five days after the fertilization, the blastocyst performs zona hatching; the zona pellucida degenerates and decomposes, to be replaced by the underlying layer of trophoblastic cells.The zona pellucida is essential for oocyte death and fertilization.In some older texts, it has also been called zona striata and stratum lucidum (not to be confused with the stratum lucidum of the skin).".
- Zona_pellucida dorlandsPrefix "z_01".
- Zona_pellucida dorlandsSuffix "12869767".
- Zona_pellucida grayPage "38".
- Zona_pellucida graySubject "3".
- Zona_pellucida meshName "Zona+Pellucida".
- Zona_pellucida meshNumber "A05.360.490.690.950".
- Zona_pellucida thumbnail Gray3.png?width=300.
- Zona_pellucida wikiPageExternalLink image002.jpg.
- Zona_pellucida wikiPageExternalLink image019.gif.
- Zona_pellucida wikiPageID "1076319".
- Zona_pellucida wikiPageRevisionID "604106963".
- Zona_pellucida caption "Human ovum: The zona pellucida is seen as a thick clear girdle surrounded by the cells of the corona radiata.".
- Zona_pellucida dorlandspre "z_01".
- Zona_pellucida dorlandssuf "12869767".
- Zona_pellucida graypage "38".
- Zona_pellucida graysubject "3".
- Zona_pellucida hasPhotoCollection Zona_pellucida.
- Zona_pellucida image "Gray3.png".
- Zona_pellucida meshname "Zona+Pellucida".
- Zona_pellucida meshnumber "A05.360.490.690.950".
- Zona_pellucida name "Zona pellucida".
- Zona_pellucida wordnet_type synset-human_body-noun-1.
- Zona_pellucida subject Category:Developmental_biology.
- Zona_pellucida subject Category:Germ_cells.
- Zona_pellucida subject Category:Reproductive_system.
- Zona_pellucida type AnatomicalStructure.
- Zona_pellucida type AnimalBodyPart.
- Zona_pellucida type BiologicalObject.
- Zona_pellucida comment "The zona pellucida (plural zonae pellucidae, also egg coat or pellucid zone) is found in mammalian eggs. It is a glycoprotein membrane surrounding the plasma membrane of an oocyte. It is a vital constitutive part of the oocyte, external but of essential importance to it. The zona pellucida first appears in unilaminar primary oocytes. It is secreted by both the oocyte and the follicular cells. The zona pellucida is surrounded by the cumulus oophorus.".
- Zona_pellucida label "Osłona przejrzysta".
- Zona_pellucida label "Zona pellucida".
- Zona_pellucida label "Zona pellucida".
- Zona_pellucida label "Zona pellucida".
- Zona_pellucida label "Zona pellucida".
- Zona_pellucida label "Zona pellucida".
- Zona_pellucida label "Zona pelúcida".
- Zona_pellucida label "Zona pelúcida".
- Zona_pellucida label "Zone pellucide".
- Zona_pellucida label "المنطقة الشفافة".
- Zona_pellucida label "透明帯".
- Zona_pellucida sameAs Zona_pellucida.
- Zona_pellucida sameAs Zona_pellucida.
- Zona_pellucida sameAs Zona_pelúcida.
- Zona_pellucida sameAs Zone_pellucide.
- Zona_pellucida sameAs Zona_pellucida.
- Zona_pellucida sameAs 透明帯.
- Zona_pellucida sameAs 투명대.
- Zona_pellucida sameAs Zona_pellucida.
- Zona_pellucida sameAs Osłona_przejrzysta.
- Zona_pellucida sameAs Zona_pelúcida.
- Zona_pellucida sameAs m.043w6h.
- Zona_pellucida sameAs Q219841.
- Zona_pellucida sameAs Q219841.
- Zona_pellucida wasDerivedFrom Zona_pellucida?oldid=604106963.
- Zona_pellucida depiction Gray3.png.
- Zona_pellucida isPrimaryTopicOf Zona_pellucida.
- Zona_pellucida name "Zona pellucida".