| precuneus | A division of the medial surface of each cerebral hemisphere between the cuneus and the paracentral lobule; it lies above the subparietal sulcus and is bounded anteriorly by the marginal part of the cingulate sulcus and posteriorly by the parietooccipital sulcus. Synonym: lobulus quadratus, quadrate lobe, quadrate lobule. Origin: pre-+ L. Cuneus, a wedge (05 Mar 2000) |
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| precuneus |
[TA] a small wedge-shaped convolution on the medial surface of the parietal lobe of the cerebrum, bounded posteriorly by the medial part of the parietooccipital sulcus and anteriorly by the paracentral lobule.
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