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
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References in periodicals archive ?
Ultrasound was used to examine the insula, sylvian fissure (SF), parieto-occipital fissure (POF), and calcarine fissure (CF).
A crucial role of the primary visual cortex has been emphasized for a long time in OLE and the relationship between the localization of the epileptic focus and the calcarine fissure seemed to determine the site and type of seizure spread [11, 13, 19].
For instance, medial occipital electric activity arising above the calcarine fissure usually propagates to the frontal lobe, while medial occipital electric activity arising below the calcarine fissure can propagate to the mesial temporal lobe [11, 19, 20].