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Intraparietal Sulcus

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I'd like to isolate the intraparietal sulcus

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in the axial projection. There it is.

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If we cross-reference that arcuate-shaped structure

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in the sagittal projection, there it is.

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There is our intraparietal sulcus,

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which is arcuate or horseshoe-shaped,

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in the sagittal projection.

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It's a nice localization because anterior

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to it is the central sulcus of Rolando.

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So it helps you find the central sulcus and the

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postcentral gyrus right in front of it.

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The intraparietal sulcus separates the parietal lobule

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into a superomedial, superoparietal lobule,

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and an inferolateral inferior parietal lobule.

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The inferior parietal lobule consists of,

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in the sagittal projection,

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the superomarginal gyrus around the Sylvian

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fissure and the angular gyrus,

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which sits around the superior temporal sulcus.

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These two form the inferior parietal lobule.

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They kind of make a little bit of a horseshoe shape around

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these two structures.

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One there and one there.

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The inferior parietal lobule.

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So in the axial projection,

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behind the central sulcus of Rolando,

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the intraparietal sulcus,

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dividing up the superior and inferior parietal lobule.

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Faculty

Stephen J Pomeranz, MD

Chief Medical Officer, ProScan Imaging. Founder, MRI Online

ProScan Imaging

Tags

Neuroradiology

MRI

Brain

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