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 parieto-occipital sulcus is a very deep sulcus that crosses the posterior part of the hemisphere and divides the internal occipital lobe from the parietal and internal temporal lobes (Fig. 1d).
