pronucleus
Origin of pronucleus
1Words Nearby pronucleus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use pronucleus in a sentence
In Asterias glacialis the most favourable period for fecundation is about an hour after the formation of the female pronucleus.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourIn Echinus, on the other hand, where the polar bodies are formed in the ovary, the male pronucleus is always small.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourWhen it finally unites with the female pronucleus it is equal in size to the latter.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourThe tail in the meantime vanishes, while the neck swells up and forms the male pronucleus.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourSelenka, who has investigated the formation of the male pronucleus in Toxopneustes variegatus, differs in certain points from Fol.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
British Dictionary definitions for pronucleus
/ (ˌprəʊˈnjuːklɪəs) /
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
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