单词 | acrosome |
释义 | acrosome —acrosomal, adj. /ak"reuh sohm'/, n. Cell Biol. 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. [1895-1900; < G Akrosoma; see ACRO-, -SOME3] |
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