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chi·as·ma | \ kī-ˈaz-mə 
, kē- \
, kē- \ plural chiasmata\ kī-ˈaz-mə-tə , kē- \
, kē- \Definition of chiasma
1 : an anatomical intersection or decussation — compare optic chiasma
2 : a cross-shaped configuration of paired chromatids visible in the diplotene stage of meiotic prophase and considered the cytological equivalent of genetic crossing-over
Other Words from chiasma
chiasmatic \ ˌkī-əz-ˈma-tik , ˌkē- \ adjective
, ˌkē- \ adjectiveKeep scrolling for more
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chiasma
nounchi·as·ma | \ kī-ˈaz-mə, kē- \
\ plural chiasmata\ -mət-ə \
\Medical Definition of chiasma
1 : an anatomical intersection or decussation — see optic chiasma
2 : a cross-shaped configuration of paired chromatids visible in the diplotene of meiotic prophase and considered the cytological equivalent of genetic crossing-over
Other Words from chiasma
chiasmatic \ ˌkī-əz-ˈmat-ik, ˌkē- \ adjective
\ adjectiveComments on chiasma
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The first known use of chiasma was in 1839
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