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sulcus
(redirected from sulcal)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
sulcus [′səl·kəs]
(zoology)
A furrow or groove, especially one on the surface of the cerebrum.


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Well-described acute ischemic findings on noncontrast head CT include a hyperdense middle cerebral artery (MCA) (1) parenchymal hypodensity within a vascular territory, loss of the gray-white matter junction including obscuration of the lentiform nucleus (2) and loss of the insular ribbon, (3) and sulcal effacement (Figure 1).
Hardan's group has found that among children aged 8-12 with autism, compared with healthy controls, increases in gray matter volume and total brain size may be explained by marked increases in total sulcal and gyral thicknesses in the cerebrum and temporal and parietal lobes, but not in the frontal and occipital lobes.
 
 
 
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