Items tagged “sulcus”
2 results found
Article
Postcentral gyrus
The postcentral gyrus lies in the parietal lobe, posterior to the central sulcus. It is the site of the primary somatosensory cortex. The somatosensory homunculus is the representation of the distribution of the contralateral body parts on the gyrus.
Blood supply
The main blood supply is from ...
Article
Cerebral sulci and fissures
Cerebral sulci and fissures are grooves between the adjacent gyri on the surface of the cerebral hemispheres. By allowing the cortex to invaginate to form sulci and gyri the surface area of the cortex is increased threefold 4. The result is that the surface area of the human cortex is 2200 cm2, ...