Circle of Willis is the joining area of several arteries at the bottom (inferior) side of the brain. At the Circle of Willis, the internal carotid arteries branch into smaller arteries that supply oxygenated blood to over 80% of the cerebrum. Blockage of blood flow to the brain for even a short period of time can be disastrous and cause brain damage or even death.

Circle of Willis is the joining area of several arteries at the bottom (inferior) side of the brain. At the Circle of Willis, the internal carotid arteries branch into smaller arteries that supply oxygenated blood to over 80% of the cerebrum. Blockage of blood flow to the brain for even a short period of time can be disastrous and cause brain damage or even death.

When something gets compromised, the Circle of Willis was designed to compensate. :)

When something gets compromised, the Circle of Willis was designed to compensate. :)

These are your Vertebral and Internal Carotid arteries - COMES IN A PAIR, left…

These are your Vertebral and Internal Carotid arteries - COMES IN A PAIR, left…

Branches of Internal Carotid Artery ...

Branches of Internal Carotid Artery ...

Major branches of the middle cerebral artery. (A) Coronal section showing the lenticulostriate, the precentral (pre-Rolandic), central (Rolandic), and the parietal and temporal branches. The internal carotid, anterior cerebral, and anterior communicating arteries; the optic chiasm; the internal capsule; and the temporal lobe of the brain are shown for orientation purposes. (B) Top view showing the anterior, middle, and posterior temporal arteries; the angular artery; the posterior and…

Major branches of the middle cerebral artery. (A) Coronal section showing the lenticulostriate, the precentral (pre-Rolandic), central (Rolandic), and the parietal and temporal branches. The internal carotid, anterior cerebral, and anterior communicating arteries; the optic chiasm; the internal capsule; and the temporal lobe of the brain are shown for orientation purposes. (B) Top view showing the anterior, middle, and posterior temporal arteries; the angular artery; the posterior and…

Internal Carotid Artery | Bilateral Internal Carotid Artery Stenosis - Doctor answers on ... 70 % blockage is not good!

Internal Carotid Artery | Bilateral Internal Carotid Artery Stenosis - Doctor answers on ... 70 % blockage is not good!

internal carotid artery branches | ... eyeball ocular muscles arteries internal carotid artery then joins

internal carotid artery branches | ... eyeball ocular muscles arteries internal carotid artery then joins

fyeahanatomy:    Human head anatomy with external and internal carotid arteries  Illustration by Patrick J. Lynch

fyeahanatomy: Human head anatomy with external and internal carotid arteries Illustration by Patrick J. Lynch

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