pachytene

[ pak-i-teen ]
/ ˈpæk ɪ tin /

noun Cell Biology.

the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.
Also pach·y·ne·ma [pak-uh-nee-muh] /ˌpæk əˈni mə/.

Origin of pachytene

< French pachytène (1900), equivalent to Greek pachý(s) thick + -tène -tene

British Dictionary definitions for pachynema

pachytene
/ (ˈpækɪˌtiːn) /

noun

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

Word Origin for pachytene

from Greek pakhus thick + tainia band

Medical definitions for pachynema

pachytene
[ păkĭ-tēn′ ]

n.

The third stage of the prophase of meiosis during which the homologous chromosomes become short and thick and divide into four distinct chromatids.