Middle cerebral artery
Middle Cerebral Artery
The Middle Cerebral Artery (MCA) (/ˈsɪrɪbrəl ˈɑːrtəri/; from Latin arteria cerebri media) is one of the three major paired arteries that supply blood to the cerebrum. The MCA arises from the internal carotid artery as the larger of the two terminal branches, the other being the anterior cerebral artery.
Anatomy
The MCA travels through the lateral sulcus where it then branches and projects to many parts of the cerebral cortex. It supplies blood to nearly all of the lateral aspects of the cerebral hemispheres and deeper structures such as the basal ganglia and the internal capsule.
Clinical Significance
The MCA is the artery most often occluded in a cerebrovascular accident, commonly known as a stroke. Symptoms of MCA occlusion can include hemiplegia, hemianesthesia, and aphasia if the dominant hemisphere is involved.
Related Terms
External links
- Medical encyclopedia article on Middle cerebral artery
- Wikipedia's article - Middle cerebral artery
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