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acrosome

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Acrosome biogenesis: Revisiting old questions to yield new insights
The acrosome is a unique membranous organelle located over the anterior part of the sperm nucleus that is highly conserved throughout evolution. This acidic vacuole contains a number of hydrolytic enzymes that, when secreted, help the sperm penetrate the egg's coats. pmc.ncbi.nlm.nih.gov
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Acrosome - Wikipedia
The acrosome is an organelle that develops over the anterior (front) half of the head in the spermatozoa (sperm cells) of humans, and many other animals. en.wikipedia.org
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Acrosome - an overview | ScienceDirect Topics
The acrosome is a large secretory vesicle that resembles a lysosome and appears in spermatids as a product of the Golgi. It is located at the anterior region of ... www.sciencedirect.com
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acrosome
acrosome Zool. (ˈækrəsəʊm) [ad. G. akrosoma (M. von Lenhossék 1898, in Archiv. Mikrosk. Anat. LI. 282), f. acro- + -some (cf. Gr. σῶµα body).] A cap-like structure forming the anterior part of the head of a spermatozoon. Hence acroˈsomal, acroˈsomic adjs.1899 J. H. McGregor in Jrnl. Morphology XV. S... Oxford English Dictionary
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Acrosome | Subcellular locations - UniProt
The acrosome is a large lysosome-like vesicle overlying the sperm nucleus. This spermatid specific organelle, derived from the Golgi during spermatogenesis, ... www.uniprot.org
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The biochemistry of the acrosome reaction - PubMed
Zona pellucida binding stimulates the spermatozoa to undergo the acrosome reaction resulting in the release of hydrolytic enzymes and in the exposure of new ... pubmed.ncbi.nlm.nih.gov
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Globozoospermia: MedlinePlus Genetics
Normal sperm cells have an oval-shaped head with a cap-like covering called the acrosome. The acrosome contains enzymes that break down the ... medlineplus.gov
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Acrosome - an overview | ScienceDirect Topics
The acrosome is a unique sperm organelle that originates from the Golgi complex and contains enzymes necessary for the sperm to penetrate through the cumulus ... www.sciencedirect.com
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ACROSOME Definition & Meaning - Merriam-Webster
The meaning of ACROSOME is an anterior prolongation of a spermatozoon that releases egg-penetrating enzymes. www.merriam-webster.com
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Mechanism of Acrosome Biogenesis in Mammals - Frontiers
The acrosome is a special kind of organelle with a cap-like structure that covers the anterior portion of the head of the spermatozoon. www.frontiersin.org
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Acrosome reaction
A few events precede the actual acrosome reaction. of the acrosome reaction itself. wikipedia.org
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acrosin
acrosin, n. Biochem. (ˈækrəʊsɪn) [f. acrosome n. + -in1.] A proteolytic enzyme found in the acrosome of mammalian spermatozoa, which is thought to facilitate penetration of the ovum at fertilization by digesting the outer protein coat of the ovum.1970 L. J. D. Zaneveld et al. in FEBS Lett. XI. 345 T... Oxford English Dictionary
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Acrosin
Acrosin is released from the acrosome of spermatozoa as a consequence of the acrosome reaction. It aids in the penetration of the Zona Pellucida. It is stored in the acrosome in its precursor form, proacrosin. Upon stimulus, the acrosome releases its contents onto the zona pellucida. wikipedia.org
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Acroplaxome
Many changes occur during this process: the DNA in nuclei becomes condensed; the acrosome develops as a structure close to the nucleus. The acrosome is derived from the Golgi apparatus and contains hydrolytic enzymes important for fusion of the spermatozoon with an egg cell. wikipedia.org
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Why do sperm have centrioles and do female eggs cells even have centrioles? I was just wondering why it is that sperm have centrioles underneath the acrosome, but that also prompted a thought as to whether eggs have t...
Oocytes do not have centrioles. During fertilization, the centrioles of the sperm become the centrioles of the zygote. Only one pair is needed, as there is only one cell (i.e. zygote) right after fertilization.
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