The circle of Willis is a group of blood vessels in the brain that connect with each other, forming a continuous structure that resembles a circle. These nine arteries supply blood to a large portion of the brain. Most of the time, blood can flow through the vessels of the circle of Willis without any interruption.

Circle of Willis Anatomy Circle of Willis is a ring of blood vessels at the base of the brain. The greater part of the brain is supplied with arterial blood by an arrangement of arteries called Circle of Willis or Circulus arteriosus.

Anatomy Of Circle Of Willis. Also referred to as the Loop of Willis, the cerebral arterial circle or the Willis polygon, it is composed of five main arteries: Internal carotid artery (left and right) Anterior cerebral artery (left and right) Anterior communicating artery; Posterior cerebral artery (left and right)

Actor Bruce Willis has been diagnosed with dementia, evolving from a previous diagnosis of aphasia last spring, his family announced Thursday. More specifically, Willis has frontotemporal.

Bruce Willis and his family know how to have a zip-a-dee-doo-dah day! Earlier this week, the actor's wife, Emma Heming Willis, shared a video on Instagram from a recent trip to Disneyland in.

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