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1. (n.) acrosome
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.
Etymology: (1895–1900; < G
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| Definition of 'acrosome' |
Princeton's WordNet |
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1. (noun) acrosome
a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg
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| Definition of 'acrosome' |
U.S. National Library of Medicine |
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1. acrosome
The cap-like structure covering the anterior portion of SPERM HEAD. Acrosome, derived from LYSOSOMES, is a membrane-bound organelle that contains the required hydrolytic and proteolytic enzymes necessary for sperm penetration of the egg in FERTILIZATION.
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Definitions of acrosome 
