Medical Term:

parietooccipital branches of pericallosal artery


Definition: the largest cortical branches of the pericallosal artery supplying the medial and superolateral surface of the parietal lobe posterior to the paracentral lobule; rarely, extends to supply part of the occipital lobe.

Synonym(s): rami parieto-occipitales arteriae pericallosaeTA, arteriae parieto-occipitales, parietooccipital artery, superior internal parietal artery