supramarginal convolution


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su·pra·mar·gin·al gy·rus

[TA]
a folded convolution capping the posterior extremity of the lateral (sylvian) sulcus; together with the angular gyrus, it forms the inferior parietal lobule.

supramarginal convolution

A cerebral convolution on the lateral surface of the parietal lobe above the posterior part of the sylvian fissure.
See also: convolution
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