Anterior spinal artery
Anterior Spinal Artery
The Anterior Spinal Artery (pronounced: an-TEER-ee-or SPY-nuhl AR-ter-ee) is a significant artery in the human body that supplies blood to the anterior portion of the spinal cord.
Etymology
The term "Anterior Spinal Artery" is derived from Latin. "Anterior" means "front", "Spinal" refers to the spine, and "Artery" is a blood vessel that carries blood away from the heart.
Anatomy
The Anterior Spinal Artery originates from the vertebral arteries. It descends in front of the medulla oblongata and continues down the anterior median fissure of the spinal cord. It is reinforced by several segmental arteries, including the radicular arteries and the artery of Adamkiewicz.
Function
The primary function of the Anterior Spinal Artery is to supply oxygenated blood to the anterior two-thirds of the spinal cord. This includes the anterior horn of the spinal cord and the anterior funiculus.
Related Terms
- Spinal Cord: The main pathway for information connecting the brain and peripheral nervous system.
- Vertebral Arteries: Arteries that supply blood to the brain.
- Medulla Oblongata: The lower half of the brainstem.
- Radicular Arteries: Arteries that supply the nerve roots of the spinal cord.
- Artery of Adamkiewicz: A significant supplier of blood to the lower two-thirds of the spinal cord.
See Also
External links
- Medical encyclopedia article on Anterior spinal artery
- Wikipedia's article - Anterior spinal artery
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