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单词 acrosome
释义

Definition of acrosome in English:

acrosome

noun ˈakrə(ʊ)səʊm
Biology

  • A membrane-bound, darkly staining, granular structure surrounding the anterior end of the nucleus in a spermatozoon, containing enzymes that assist in the penetration of the ovum.

Origin

Late 19th century. From acro- + -some, after German Akrosoma.

Definition of acrosome in US English:

acrosome

nounˈakrə(ʊ)səʊm
Biology

  • A membrane-bound, darkly staining, granular structure surrounding the anterior end of the nucleus in a spermatozoon, containing enzymes that assist in the penetration of the ovum.

Origin

Late 19th century. From acro- + -some, after German Akrosoma.
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更新时间：2025/6/19 10:24:33