Quick Facts
The parieto-occipital sulcus (aka parieto-occipital fissure) is a deep, slightly vertical groove that is located on the medial surface of the cerebral hemisphere, at the division between the parietal and occipital lobes. Its lower portion projects forward to fuse with the anterior end of the calcarine sulcus.
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Parieto-Occipital Sulcus
The posterior border can be defined by a line along the sulci from the parieto-occipital sulcus into the preoccipital notch.
