| 单词 | spermatheca |
| 释义 | spermatheca[ spur-muh-thee-kuh ] / ˌspɜr məˈθi kə / noun, plural sper·ma·the·cae [spur-muh-thee-see]. /ˌspɜr məˈθi si/. Zoology.a small sac or cavity in female or hermaphroditic invertebrates used to store sperm for fertilizing eggs, as in the queen bee. Origin of spermatheca1820–30; sperma- (variant of spermato-, spermo-) + theca Words nearby spermathecaspermagonium, -spermal, spermary, sperm-aster, spermatangium, spermatheca, spermatic, spermatic artery, spermatic cord, spermatic duct, spermatic fluid Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for spermathecaspermatheca / (ˌspɜːməˈθiːkə) / nouna sac or cavity within the body of many female invertebrates, esp insects, used for storing spermatozoa before fertilization takes place Derived forms of spermathecaspermathecal, adjectiveWord Origin for spermathecaC19: see sperm 1, theca 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 Scientific definitions for spermathecaspermatheca [ spûr′mə-thē′kə ] Plural spermathecae (spûr′mə-thē′sē)A receptacle in the reproductive tracts of certain female invertebrates, especially insects, in which spermatozoa are received and stored until needed to fertilize the ova. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
| 随便看 |
|
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。