parieto-occipital sulcus (fissure)

Structure

• a very deep, almost vertically oriented fissure on the medial surface of the cerebral cortex, marking the border of the parietal & occipital lobes
• the lower part curves forward & joins with the anterior edge of the calcarine fissure
• the depth of the combined fissure (parieto-occipital + calcarine) results in the occipital horns of the lateral ventricles

More general terms

• sulcus

Component of

• occipital lobe