| 单词 | primordium |
| 释义 | primordium[ prahy-mawr-dee-uhm ] / praɪˈmɔr di əm / SEE SYNONYMS FOR primordium ON THESAURUS.COM noun, plural pri·mor·di·a [prahy-mawr-dee-uh]. /praɪˈmɔr di ə/. Embryology.the first recognizable, histologically differentiated stage in the development of an organ. Origin of primordium1665–75; <Latin prīmōrdium, in plural: beginnings, elementary stage, equivalent to prīm(us) first (see prime) + ōrd(īrī) to begin + -ium-ium; cf. exordium Words nearby primordiumprimogenitor, primogeniture, primordial, primordial ovarian follicle, primordial soup, primordium, primp, primrose, primrose family, primrose jasmine, primrose path Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for primordium
British Dictionary definitions for primordiumprimordium / (praɪˈmɔːdɪəm) / noun plural -dia (-dɪə)biology an organ or part in the earliest stage of development 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 primordiumprimordium [ prī-môr′dē-əm ] n. pl. pri•mor•di•a (-dē-ə)An aggregation of cells in the embryo indicating the first trace of an organ or structure. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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