释义 |
precuneus
precuneus [pre-ku´ne-us] (L.) a small convolution on the medial surface of the parietal lobe of the cerebrum.pre·cu·ne·us (prē-kū'nē-ŭs), [TA] 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 branch of the cingulate sulcus and posteriorly by the parietooccipital sulcus. Synonym(s): quadrate lobe of liver (3) [TA], lobulus quadratus (2) , quadrate lobule (2) [pre- + L. cuneus, a wedge] pre·cu·ne·us (prē-kyū'nē-ŭs) [TA] 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(s): quadrate lobe (3) . [pre- + L. cuneus, a wedge] |