pachytene

pach y tene |ˈpakəˌtēn ˈpækəˌtin | ▶noun Biology the third stage of the prophase of meiosis, following zygotene, during which the paired chromosomes shorten and thicken, the two chromatids of each separate, and exchange of segments between chromatids may occur. ORIGIN early 20th cent.: from Greek pakhus ‘thick ’ + tainia ‘band. ’

pachytene

pachytene |ˈpakɪtiːn | ▶noun [ mass noun ] Biology the third stage of the prophase of meiosis, following zygotene, during which the paired chromosomes shorten and thicken, the two chromatids of each separate, and exchange of segments between chromatids may occur. ORIGIN early 20th cent.: from Greek pakhus ‘thick ’ + tainia ‘band ’.