Definition of synaptonemal complex
: a complex tripartite protein structure that spans the region between synapsed chromosomes in meiotic prophase —called also syn*ap*ti*ne*mal complex \sə-ˌnap-tə-ˈnē-məl-\
From the M-W Editors
Origin and Etymology of synaptonemal complex
synaptic + -o- or -i- + Greek nēma thread — more at nemat-
First Known Use: 1958
Medical Dictionary
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