Share this entry

Share this page

leptotene

Line breaks: lepto|tene
Pronunciation: /ˈlɛptə(ʊ)tiːn
 
/

Definition of leptotene in English:

noun

[mass noun] Biology
The first stage of the prophase of meiosis, during which each chromosome becomes visible as two fine threads (chromatids).
Example sentences
  • Early recombination nodules are protein complexes 100 nm in diameter that are associated with forming synaptonemal complexes during leptotene and zygotene of meiosis.
  • Early meiotic stages, leptotene or zygotene, were observed.
  • The bouquet forms at late leptotene and early zygotene and is coincident with chromosome pairing.

Origin

early 20th century: from lepto- 'narrow, fine' + Greek tainia 'band, ribbon'.

Definition of leptotene in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day boscage
Pronunciation: ˈbɒskɪdʒ
noun
a mass of trees or shrubs