André PL

André PL

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Circle of Willis pt.svg

Schematic representation of the Circle of Willis, arteries of the brain and brain stem. Blood flows up to the brain through the vertebral arteries and through the internal carotid arteries.

Instant Anatomy - Head and Neck - Nerves - Autonomic - Relations to scalenus anterior

Instant anatomy is a specialised web site for you to learn all about human anatomy of the body with diagrams, podcasts and revision questions

Arteries of the neckLeft lateral view. The structures of the neck are primarily supplied by the external carotid artery (anterior branches) and the subclavian artery.

The carotid arteries transfer to structures outside and inside the skull. The external carotid carries blood to structures outside the skull, primarily the face. The internal carotid carries blood to structures inside the skull, such as the brain.