Definition of synaptonemal complex in English:

synaptonemal complex

Line breaks: syn¦apto|nemal com|plex
Pronunciation: /sɪˌnaptə(ʊ)ˈniːm(ə)l
 
, sʌɪ-/

noun

Biology
  • A ladder-like series of parallel threads visible in electron microscopy adjacent to and coaxial with pairing chromosomes in meiosis.
    More example sentences
    • The nucleus reorganizes during this time, as sister chromosomes pair and the synaptonemal complex forms.
    • In the absence of recombination, it has been suggested that the synaptonemal complex may assume this role in some organisms.
    • The synaptonemal complex is present at this stage, and meiotic recombination is completed within this context.

Origin

1950s: from synapto- (combining form of synapsis) + Greek nēma 'thread' + -al.

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