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  2. Circle of Willis - Wikipedia

    en.wikipedia.org/wiki/Circle_of_Willis

    The circle of Willis is a part of the cerebral circulation and is composed of the following arteries: [3] Anterior cerebral artery (left and right) at their A1 segments; Anterior communicating artery; Internal carotid artery (left and right) at its distal tip (carotid terminus) Posterior cerebral artery (left and right) at their P1 segments

  3. File:Circle of Willis en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Circle_of_Willis_en.svg

    Better draw (more realistic). Bigger font size. Labels in colors. Added labels: Recurrent artery of Heubner and posteromedial central arteries, Circle of Willis, A1, A2, P1, P2. Correct arising for labyrinthine arteries. Use of layers. 21:24, 17 March 2014: 471 × 750 (12 KB) Rehua: text fix: 22:25, 26 February 2012: 471 × 750 (15 KB) Rehua ...

  4. Circulatory anastomosis - Wikipedia

    en.wikipedia.org/wiki/Circulatory_anastomosis

    Circle of Willis (in the brain) Coronary: anterior interventricular artery and posterior interventricular artery of the heart; Scapular anastomosis (for the subclavian vessels) Joint anastomoses: Almost all joints receive anastomotic blood supply from more than one source. Shoulder (and circumflex humeral) Elbow (see blood supply of elbow)

  5. Blood vessel - Wikipedia

    en.wikipedia.org/wiki/Blood_vessel

    The circulatory system uses the channel of blood vessels to deliver blood to all parts of the body. This is a result of the left and right sides of the heart working together to allow blood to flow continuously to the lungs and other parts of the body. Oxygen-poor blood enters the right side of the heart through two large veins.

  6. Basilar artery - Wikipedia

    en.wikipedia.org/wiki/Basilar_artery

    The basilar artery (U.K.: / ˈ b æ z. ɪ. l ə /; [1] [2] U.S.: / ˈ b æ s. ə. l ər / [3]) is one of the arteries that supplies the brain with oxygen-rich blood.. The two vertebral arteries and the basilar artery are known as the vertebral basilar system, which supplies blood to the posterior part of the circle of Willis and joins with blood supplied to the anterior part of the circle of ...

  7. Subclavian steal syndrome - Wikipedia

    en.wikipedia.org/wiki/Subclavian_steal_syndrome

    The proximal part of left subclavian is blocked (shaded artery). This prevents antegrade ("forward") flow to the left arm and left vertebral. As a result, flow in the left vertebral is retrograde ("backwards") towards the left arm. Flow to the brain and circle of Willis is via antegrade right and left carotid and right vertebral arteries. Specialty

  8. Arterial tree - Wikipedia

    en.wikipedia.org/wiki/Arterial_tree

    It is a portion of the aorta commencing at the upper part of the base of the left ventricle, on a level with the lower border of the third costal cartilage behind the left half of the sternum. Right coronary artery

  9. Thoracic aorta - Wikipedia

    en.wikipedia.org/wiki/Thoracic_aorta

    The aorta then arches back over the right pulmonary artery. Three vessels come out of the aortic arch: the brachiocephalic artery, the left common carotid artery, and the left subclavian artery. These vessels supply blood to the head, neck, thorax and upper limbs. Behind the descending thoracic aorta is the vertebral column and the hemiazygos vein.

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