Postcentral gyrus
Updates to Synonym Attributes
Updates to Article Attributes
The post centralpostcentral gyrus is a gyrus of the brain lying posterior to the central sulcus. It lies in the parietal lobe of, posterior to the brain andcentral sulcus. It is the site of the primary somatosensory cortex.
Blood supply:
The main blood supply is from the anterior cerebral artery (ACA) and the middle cerebral artery (MCA).
The medial portion of the post centralpostcentral gyrus is supplied by the ACA. The convexity of the postcentral gyrus is supplied by the MCA.
Related pathology
Compromise of thiseither the ACA or MCA blood supply by a thrombus or embolus can lead to contralateral sensory deficits as part of ACA syndrome.
The convexity of the post central gyrus is supplied by the MCA.
Practical point
pointsOn sagittal images, the thin postcentral gyrus sign can be used to identify the post centralpostcentral gyrus. This sign states that the sagittal width of the postcentral gyrus is thinner than the precentral gyrus. Thus, the thin vertical gyrus and sulcus posterior the central sulcus are the postcentral gyrus and sulcus.
-<p>The <strong>post central gyrus</strong> is a gyrus of the brain lying posterior to the central sulcus. It lies in the parietal lobe of the brain and is the site of the primary somatosensory cortex.</p><h5>Blood supply:</h5><p>The main blood supply is from the <a title="anterior cerebral artery" href="/articles/anterior-cerebral-artery">anterior cerebral artery</a> (ACA) and the <a title="middle cerebral artery" href="/articles/middle-cerebral-artery">middle cerebral artery</a> (MCA). </p><p>The medial portion of the post central gyrus is supplied by the ACA. Compromise of this blood supply by a thrombus or embolus can lead to contralateral sensory deficits as part of <a title="ACA syndrome" href="/articles/aca-syndrome">ACA syndrome</a>.</p><p>The convexity of the post central gyrus is supplied by the MCA.</p><h5>Practical point</h5><p>On sagittal images, the thin <a title="postcentral gyrus sign" href="/articles/postcentral-gyrus-sign">postcentral gyrus sign</a> can be used to identify the post central gyrus. This sign states that the sagittal width of the postcentral gyrus is thinner than the precentral gyrus. Thus, the thin vertical gyrus and sulcus posterior the central sulcus are the postcentral gyrus and sulcus.</p>- +<p>The <strong>postcentral gyrus</strong> is lies in the <a href="/articles/parietal-lobe">parietal lobe</a>, posterior to the <a title="Central sulcus" href="/articles/central-sulcus">central sulcus</a>. It is the site of the primary somatosensory cortex.</p><h4>Blood supply</h4><p>The main blood supply is from the <a href="/articles/anterior-cerebral-artery">anterior cerebral artery</a> (ACA) and the <a href="/articles/middle-cerebral-artery">middle cerebral artery</a> (MCA). </p><p>The medial portion of the postcentral gyrus is supplied by the ACA. The convexity of the postcentral gyrus is supplied by the MCA.</p><h4>Related pathology</h4><p>Compromise of either the ACA or MCA blood supply can lead to contralateral sensory deficits as part of <a href="/articles/aca-syndrome">ACA syndrome</a>.</p><h4>Practical points</h4><p>On sagittal images, the thin <a href="/articles/postcentral-gyrus-sign">postcentral gyrus sign</a> can be used to identify the postcentral gyrus. This sign states that the sagittal width of the postcentral gyrus is thinner than the precentral gyrus. Thus, the thin vertical gyrus and sulcus posterior the central sulcus are the postcentral gyrus and sulcus.</p>
References changed:
- 1. Naidich TP, Castillo M, Cha S et-al. Imaging of the Brain,Expert Radiology Series,1. Saunders. (2012) ISBN:1416050094. <a href="http://books.google.com/books?vid=ISBN1416050094">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/1416050094">Find it at Amazon</a><span class="auto"></span>
- Naidich TP, Castillo M, Cha S et-al. Imaging of the Brain,Expert Radiology Series,1. Saunders. (2012) ISBN:1416050094. <a href="http://books.google.com/books?vid=ISBN1416050094">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/1416050094">Find it at Amazon</a><span class="auto"></span>
Sections changed:
Image 1 Diagram ( create )
Image 2 Annotated image (Axial T2) ( create )
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