Parieto-occipital sulcus

Parieto-occipital sulcus
File:Gray726 parieto-occipital sulcus.png Fig. 726: Lateral surface of left cerebral hemisphere, viewed from the side.
File:Gray727 parieto-occipital fissure.svg Fig. 727: Medial surface of left cerebral hemisphere.
Details
Latin	sulcus parietooccipitalis, fissura parietooccipitalis
Identifiers
NeuroNames	hier-33
NeuroLex ID	Parieto-occipital sulcus
TA
TH	{{#property:P1694}}
TE	{{#property:P1693}}
FMA	{{#property:P1402}}
Anatomical terms of neuroanatomy [[[d:|edit on Wikidata]]]

Only a small part of the parieto-occipital sulcus, or parietooccipital fissure is seen on the lateral surface of the hemisphere, its chief part being on the medial surface.

The lateral part of the parieto-occipital sulcus (Fig. 726) is situated about 5 centimeters (cm) in front of the occipital pole of the hemisphere, and measures about 1.25 cm. in length.

The medial part of the parieto-occipital sulcus (Fig. 727) runs downward and forward as a deep cleft on the medial surface of the hemisphere, and joins the calcarine fissure below and behind the posterior end of the corpus callosum. In most cases it contains a submerged gyrus. The parieto-occipital sulcus marks the boundary between the cuneus and precuneus, and also between the parietal and occipital lobes.

Function

The parieto-occipiatal lobe has been found in various neuroimaging studies, including PET (positron-emission-tomography) studies, and SPECT (single-photon emission computed tomography) studies, to be involved along with the dorsolateral prefrontal cortex during planning.

Gallery

• Parieto-occipital sulcus animation small.gif

  Animation of left cerebral hemisphere. Parieto-occipital sulcus shown in red.

• 

  Medial surface of right hemisphere. Parieto-occipital sulcus labeled at top right as "*"

• Human Brain Dissected.jpg

  Medial surface of left hemisphere. Parieto-occipital sulcus visible at top left.

• Cerebral Hemisphere Demonstration - Sanjoy Sanyal - Neuroscience Lab Fall 2013 (cropped from 2m36s to 4m40s) - Parietooccipital sulcus.webm

  Human brain dissection video (1 min 52 sec). Demonstrating location of parieto-occipital sulcus of left cerebral hemisphere.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

• Anatomy diagram: 13048.000-3 at Roche Lexicon - illustrated navigator, Elsevier
• http://www2.umdnj.edu/~neuro/studyaid/Practical2000/Q30.htm