pachytene

pachytene

[pak-i-teen]
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, pachynema [pak-uh-nee-muh] .


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

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World English Dictionary
pachytene (ˈpækɪˌtiːn)
 
n
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]

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Medical Dictionary

pachytene pach·y·tene (pāk'ĭ-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.

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