calcarine fissure


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Related to calcarine fissure: parieto-occipital sulcus, cerebral sulci

cal·ca·rine sul·cus

[TA]
a deep fissure on the medial aspect of the cerebral cortex, extending on an arched line from the isthmus of the fornicate gyrus back to the occipital pole, marking the border between the lingual gyrus below and the cuneus above it. The cortex in the depth of the sulcus corresponds to the horizontal meridian of the contralateral half of the visual field.

calcarine fissure

The fissure extending from the occipital end of the cerebrum to the occipitoparietal fissure.
See also: fissure

calcarine fissure

A conspicuous groove in the visual area of the brain at the back (occipital cortex). Also called the calcarine sulcus.