Internal carotid arteries
Internal Carotid Arteries
The Internal Carotid Arteries (pronunciation: in-ter-nal ka-rot-id ar-ter-ies) are two major blood vessels that supply oxygenated blood to the brain. They are part of the Carotid Arteries system, which also includes the External Carotid Arteries.
Etymology
The term "carotid" is derived from the Greek word "karōtides" meaning "to stupefy" or "to plunge into deep sleep". This is because compression of these arteries was believed to cause unconsciousness.
Anatomy
The Internal Carotid Arteries originate from the Common Carotid Arteries, which bifurcate into the Internal and External Carotid Arteries. Each Internal Carotid Artery ascends in the neck to reach the base of the skull, where it enters the cranial cavity through the carotid canal.
Function
The primary function of the Internal Carotid Arteries is to supply oxygenated blood to the anterior part of the brain and the eye. They also supply blood to parts of the Frontal Lobe, Temporal Lobe, and Parietal Lobe.
Related Terms
See Also
External links
- Medical encyclopedia article on Internal carotid arteries
- Wikipedia's article - Internal carotid arteries
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