pachytene

[ pak-i-teen ]

nounCell Biology.
  1. the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.

Origin of pachytene

1
<French pachytène (1900), equivalent to Greek pachý(s) thick + -tène-tene
  • Also pach·y·ne·ma [pak-uh-nee-muh]. /ˌpæk əˈni mə/.

Words Nearby pachytene

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British Dictionary definitions for pachytene

pachytene

/ (ˈpækɪˌtiːn) /


noun
  1. the third stage of the prophase of meiosis during which the chromosomes become shorter and thicker and divide into chromatids

Origin of pachytene

1
from Greek pakhus thick + tainia band

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