2025年1月18日 · The middle cerebral artery (MCA) is one of the three major paired arteries that supply blood to the brain. The MCA arises from the internal carotid artery as the larger of the two main terminal branches (the other being the anterior cerebral artery), coursing laterally into the lateral sulcus where it branches to perfuse the cerebral cortex.

2023年11月3日 · The middle cerebral artery (MCA) is a terminal branch of the internal carotid artery and is part of the anterior cerebral circulation. The MCA supplies many deep brain structures, the majority of the lateral surface of the cerebral …

The middle cerebral artery (MCA) is one of the three major paired cerebral arteries that supply blood to the cerebrum. The MCA arises from the internal carotid artery and continues into the lateral sulcus where it then branches and projects to many parts of the lateral cerebral cortex.

2023年4月3日 · The middle cerebral artery (MCA) is the most common artery involved in acute stroke. It branches directly from the internal carotid artery and consists of four main branches: M1, M2, M3, and M4.

2023年7月24日 · The MCA is part of the circle of Willis anastomotic system within the brain, which forms when the anterior cerebral arteries anastomose anteriorly with each other through the anterior communicating artery and posteriorly with the two posterior communicating arteries bridging the MCA with the posterior cerebral artery on each side.

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However, in radiology and surgery, the middle cerebral artery is divided into four parts (M1, M2, M3, and M4)(4). This segment is also called the horizontal segment or the sphenoid part of the MCA. The M1 segment is laterally located from the middle cerebral artery to the Sylvian fissure’s depths(5). It separates the frontal and parietal lobes.

2024年9月30日 · Explore the anatomy, function, and clinical significance of the Middle Cerebral Artery (MCA) in brain health, including stroke prevention and treatment.

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The MCA divides into four main surgical segments, denominated M1 to M4. [4] The M1 segment extends from the ending of the internal carotid artery, perforating the brain up to its division. The M2 segment bifurcates or occasionally trifurcates. It travels laterally to the Sylvian fissure, and its branches end in the cerebral cortex.