That region of the medial aspect of the occipital lobe of each cerebral hemisphere bounded by the parietooccipital fissure and the calcarine fissure. [L. wedge]
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cu·ne·us 'kyü-nē-əs n, pl cu·nei -nē-.ī a convolution of the mesial surface of the occipital lobe of the brain above the calcarine sulcus that forms a part of the visual area
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n.
a wedge-shaped area of cerebral cortex that forms the inner surface of the occipital lobe.
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cu·ne·us (kuґne-əs) pl. cuґnei [L. “wedgeâ€] [TA] a wedge-shaped lobule of the occipital lobe of the cerebrum on its medial aspect, between the parietooccipital and calcarine sulci.Medical dictionary. 2011.