M2 segment
E764635
The M2 segment is the portion of the middle cerebral artery that runs within the Sylvian fissure, giving rise to branches that supply much of the lateral surface of the cerebral hemisphere.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
arterial segment
ⓘ
segment of middle cerebral artery ⓘ |
| arterialTerritoryIncludes |
Broca area region (dominant hemisphere)
NERFINISHED
ⓘ
Wernicke area region (dominant hemisphere) NERFINISHED ⓘ primary motor cortex lateral surface ⓘ primary somatosensory cortex lateral surface ⓘ |
| belongsToVascularTerritory | anterior circulation of brain ⓘ |
| clinicalSignificance |
common site of ischemic stroke
ⓘ
occlusion in dominant hemisphere may cause aphasia ⓘ occlusion in nondominant hemisphere may cause hemispatial neglect ⓘ occlusion may cause contralateral face and arm weakness ⓘ occlusion may cause contralateral sensory loss ⓘ |
| drainsInto | distal middle cerebral artery branches ⓘ |
| follows | course of Sylvian fissure ⓘ |
| givesRiseTo |
cortical branches of middle cerebral artery
ⓘ
insular branches ⓘ opercular branches ⓘ |
| hasClinicalClassification | medium vessel occlusion site in stroke literature ⓘ |
| hasDistalBoundary | M3 segment of middle cerebral artery NERFINISHED ⓘ |
| hasLaterality |
left M2 segment
ⓘ
right M2 segment ⓘ |
| hasProximalBoundary | M1 segment of middle cerebral artery NERFINISHED ⓘ |
| hasSynonym | insular segment of middle cerebral artery NERFINISHED ⓘ |
| imagedBy |
CT angiography
NERFINISHED
ⓘ
MR angiography ⓘ digital subtraction angiography ⓘ |
| isBranchOf | internal carotid artery via middle cerebral artery ⓘ |
| locatedIn |
Sylvian fissure
NERFINISHED
ⓘ
lateral sulcus ⓘ |
| partOf | middle cerebral artery NERFINISHED ⓘ |
| supplies |
inferior parietal lobule lateral part
ⓘ
insula ⓘ lateral frontal lobe ⓘ lateral orbitofrontal cortex NERFINISHED ⓘ lateral parietal lobe ⓘ lateral surface of cerebral hemisphere ⓘ lateral temporal lobe ⓘ middle temporal gyrus lateral part ⓘ postcentral gyrus lateral part ⓘ precentral gyrus lateral part ⓘ superior temporal gyrus lateral part ⓘ |
| treatedBy |
endovascular thrombectomy in eligible stroke patients
ⓘ
intravenous thrombolysis in acute ischemic stroke ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.