Primary motor area (Area no. 4) of brain is supplied by:
- lateral surface of cerebrum receives supply from middle cerebral aery. -medial surface of cerebrum is majorly supplied by anterior cerebral aery. - The upper limb and head are represented on the lateral surface of the coex in homunculus, whereas pelvis and lower limb are on the medial surface of the hemispheres.
Anterior cerebral aery
Middle cerebral aery
Anterior and middle cerebral aery
Anterior and posterior cerebral aery
Brainstem lesions and blood supply of CNS