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The third stage of the prophase of meiosis, during which the homologous chromosomes become short and thick and divide into four distinct chromatids.
[French pachytène : Greek pakhus, thick + French -tène, ribbon (from Latin taenia; see taenia).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biology) the third stage of the prophase of meiosis during which the chromosomes become shorter and thicker and divide into chromatids
[from Greek pakhus thick + tainia band]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pach•y•tene(ˈpæk ɪ tin)
the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.
[< French pachytène (1900) = Greek pachý(s) thick + French -tène -tene]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||pachytene - the third stage of the prophase of meiosis|
prophase - the first stage of meiosis
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