| 单词 | pronucleus |
| 释义 | pronucleus[ proh-noo-klee-uhs, -nyoo- ] / proʊˈnu kli əs, -ˈnyu- / noun, plural pro·nu·cle·i [proh-noo-klee-ahy, -nyoo-]. /proʊˈnu kliˌaɪ, -ˈnyu-/. Cell Biology.either of the gametic nuclei that unite in fertilization to form the nucleus of the zygote. Origin of pronucleusFrom New Latin, dating back to 1875–80; see origin at pro-1, nucleus Words nearby pronucleuspronounce, pronounced, pronouncement, pronto, pronuclear, pronucleus, pronuke, pronunciamento, pronunciation, pronunciation spelling, prony brake Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pronucleuspronucleus / (ˌprəʊˈnjuːklɪəs) / noun plural -clei (-klɪˌaɪ)the nucleus of a mature ovum or spermatozoan before fertilization 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 pronucleuspronucleus [ prō-nōō′klē-əs ] n.One of two nuclei undergoing fusion in karyogamy. The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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