calcarine fissure

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Related to calcarine fissure: parieto-occipital sulcus, cerebral sulci
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Noun1.calcarine fissure - a sulcus in the mesial surface of the occipital lobe of the cerebrum
sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
occipital cortex, occipital lobe - that part of the cerebral cortex in either hemisphere of the brain lying in the back of the head