Anterior cerebral artery
Anterior Cerebral Artery
The Anterior Cerebral Artery (pronounced: an-TEER-ee-or sə-REE-brəl AR-ter-ee) is one of the major arteries that supply blood to the brain. It is a part of the Circle of Willis, a circular anastomosis at the base of the brain that provides an important collateral circulation.
Etymology
The term "Anterior Cerebral Artery" is derived from Latin. "Anterior" means "front", "Cerebral" refers to the brain, and "Artery" is a blood vessel that carries blood away from the heart.
Anatomy
The Anterior Cerebral Artery originates from the Internal Carotid Artery. It travels forward and upward to pass through the Longitudinal Fissure, the deep groove that separates the two cerebral hemispheres. It supplies the medial and superior parts of the frontal and parietal lobes, including the primary motor and sensory areas for the lower limb, and parts of the Frontal Lobe and Parietal Lobe.
Clinical Significance
Blockage of the Anterior Cerebral Artery can lead to Anterior Cerebral Artery Syndrome, which can cause a variety of symptoms including weakness and sensory loss in the contralateral lower limb, urinary incontinence, and cognitive and behavioral disturbances.
Related Terms
- Circle of Willis
- Internal Carotid Artery
- Longitudinal Fissure
- Frontal Lobe
- Parietal Lobe
- Anterior Cerebral Artery Syndrome
External links
- Medical encyclopedia article on Anterior cerebral artery
- Wikipedia's article - Anterior cerebral artery
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