| 单词 | acrosome |
| 释义 | acrosome[ ak-ruh-sohm ] / ˈæk rəˌsoʊm / noun Cell Biology.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. Origin of acrosome1895–1900; <German Akrosoma;see acro-, -some3 OTHER WORDS FROM acrosomeac·ro·so·mal, adjectiveWords nearby acrosomeacrosclerosis, acrosin, acrosomal cap, acrosomal granule, acrosomal vesicle, acrosome, acrospire, acrospore, across, across-the-board, acrostic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for acrosome
British Dictionary definitions for acrosomeacrosome / (ˈækrəˌsəʊm) / nouna cap-like structure on the tip of a spermatozoon that releases enzymes on encountering the ovum allowing fusion with the ovum in the sexual reproductive process; this part of the process is known as the acrosome reaction Word Origin for acrosomeC19: from acro- + -some ³ Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for acrosomeacrosome [ ăk′rə-sōm′ ] n.acrosomal cap Other words from acrosomeac′ro•so′mal (-sō′məl) adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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