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n. - A process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg.

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Usage examples (33)
  • The acrosome is a large membrane-limited granule that overlies the nucleus of mature sperm
  • In order to accomplish this the head of each sperm called the acrosome contains a packet of shell-dissolving enzymes—released when contact with the egg is made.
  • The acrosome is the packet of enzymes in the sperm’s head that produces enzymes to facilitate penetration of the egg.
  • The acrosome reaction is the chemical change that enables a sperm to penetrate an egg.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.