Trigeminal artery
Trigeminal Artery
The Trigeminal Artery (pronunciation: tri-jem-i-nal ar-ter-y) is a significant blood vessel in the human body. It is one of the primitive arteries that serve the embryonic brain during the early stages of development.
Etymology
The term "Trigeminal" is derived from the Latin words "tri" meaning three and "geminus" meaning twin. This is in reference to the three major branches of the artery.
Anatomy
The Trigeminal Artery originates from the Internal Carotid Artery and extends to the Cavernous Sinus, where it divides into three major branches: the Ophthalmic Artery, the Maxillary Artery, and the Mandibular Artery. These branches supply blood to the eyes, upper jaw, and lower jaw respectively.
Clinical Significance
Anomalies in the Trigeminal Artery can lead to various medical conditions. For instance, a persistent Trigeminal Artery can cause Trigeminal Neuralgia, a condition characterized by severe facial pain. It can also contribute to the formation of Cerebral Aneurysms, which are bulges in the wall of a cerebral artery that can rupture and cause life-threatening bleeding in the brain.
Related Terms
- Internal Carotid Artery: The major artery that supplies blood to the brain.
- Cavernous Sinus: A large vein located in the skull, behind the eye.
- Ophthalmic Artery: The artery that supplies blood to the eye and its surrounding structures.
- Maxillary Artery: The artery that supplies blood to the upper jaw.
- Mandibular Artery: The artery that supplies blood to the lower jaw.
- Trigeminal Neuralgia: A medical condition characterized by severe facial pain.
- Cerebral Aneurysms: Bulges in the wall of a cerebral artery that can rupture and cause life-threatening bleeding in the brain.
External links
- Medical encyclopedia article on Trigeminal artery
- Wikipedia's article - Trigeminal artery
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