Definition of pachytene in English:

pachytene

Syllabification: pach·y·tene
Pronunciation: /ˈpakəˌtēn
 
/

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.
More example sentences
  • Zygotene and pachytene chromosomes can be distinguished by their different morphology due to the extent of synapsis.
  • In addition, Creighton used pachytene stage chromosomes to continue deletion mapping studies.
  • This structural heterozygosity correlates with both a previously described recombination block and cytologically visible unpaired chromosomes at pachytene.

Origin

early 20th century: from Greek pakhus 'thick' + tainia 'band'.

More definitions of pachytene

Definition of pachytene in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day crowdsource
Pronunciation: ˈkroudˌsôrs
verb
obtain (information) by enlisting help of many people…