supramarginal gyrus
noun
su·pra·mar·gi·nal gyrus
| \ -ˌmärj-ən-ᵊl-, -ˌmärj-nəl-
\
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Medical Definition of supramarginal gyrus
: a gyrus of the inferior part of the parietal lobe that is continuous in front with the postcentral gyrus and posteriorly and inferiorly with the superior temporal gyrus