pach·y·tene (p k  -t n )n. 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).] |
pachytene [ˈpækɪˌtiːn]
n
(Life Sciences & Allied Applications / 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]
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