1) Appendage 2) Outgrowth 3) Process
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https://www.crosswordclues.com/clue/acrosome
The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cells) of many animals. It is a cap-like structure derived from the Golgi apparatus. Acrosome formation is completed during testicular maturation. In Eutherian mammals the acrosome contains digestive enzymes (including hyaluronidase and acrosin)...
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http://en.wikipedia.org/wiki/Acrosome
(from the article `fertilization`) The acrosome reaction of spermatozoa is a prerequisite for the association between a spermatozoon and an egg, which occurs through fusion of their ...
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http://www.britannica.com/eb/a-z/a/13
<cell biology> A membrane-bound compatment at the tip of the head of a sperm which contains lytic enzymes (hyaluronidase in mammalian sperm) which digest the outer surface of the egg and allow the sperm to inject its haploid DNA. ... The compartment is secreted by the Golgi apparatus of the spermatid. ... Origin: Gr. Soma = body ... (12 Mar 1...
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http://www.encyclo.co.uk/local/20973
(ak´ro-sōm) the caplike, membrane-bound structure covering the anterior portion of the head of a spermatozoon; it contains enzymes involved in penetration of the oocyte.
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http://www.encyclo.co.uk/local/21001
Cap-like structure that surrounds the sperm head and contains enzymes that help penetration of the egg.
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http://www.encyclo.co.uk/local/21429
Vesicle at the extreme anterior end of the spermatozoan, derived from the lysosome.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: ak′rō-sōm Definitions: 1. A caplike organelle or saccule derived from Golgi elements that surround the anterior two thirds of the nucleus of a sperm. Enzymes contained within this structure probably facilitate the sperm's penetration of the zona pellucida of the oocyte. Synonyms: acrosomal cap, head cap &.....
Found on
http://www.medilexicon.com/medicaldictionary.php?t=882
A cap-like memrane bound structure in the head of the sperm that contains enzymes that allow the sperm to penetrate through the layers of an egg at the time of fertilization.
Found on
http://www.pregnology.com/
The acrosome is a thin cap of protoplasm encasing the head of a sperm. The acrosome is believed to contain an enzyme, hyaluronidase, that dissolves the corona radiata, the protective outer coat of the ovum, making sperm penetration easier. The enzyme of the acrosome of one sperm is insufficient to break down the ovum membrane. Therefore, contrary t...
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http://www.probertencyclopaedia.com/browse/EA.HTM
[
n] - a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg
Found on
http://www.webdictionary.co.uk/definition.php?query=acrosome
acrosome 1. A structure at the end of a sperm cell that releases enzymes to digest the cell membrane of an egg, enabling the sperm to penetrate and enter the egg for fertilization. 2. Body at the apex of spermatozoon; apical body; perforatorium.
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http://www.wordinfo.info/words/index/info/view_unit/2372/7
noun a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg
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https://www.encyclo.co.uk/local/20974
an organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg.
Found on
https://www.infoplease.com/dictionary/acrosome
No exact match found.
