pachytene

Also pach·y·ne·ma

[pak-i-teen]

noun

Cell 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.

pachytene

/ ˈpækɪˌtiːn /

noun

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

Word History and Origins

Origin of pachytene¹

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

Word History and Origins

Origin of pachytene¹

from Greek pakhus thick + tainia band

Example Sentences

HSF5 is required for progression beyond the pachytene stage during spermatogenesis, guiding the meiotic program towards completion and activating genes associated with sperm formation.

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