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  2. 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 ...

  3. Cerebral arteries - Wikipedia

    en.wikipedia.org/wiki/Cerebral_arteries

    The cerebral arteries describe three main pairs of arteries and their branches, which perfuse the cerebrum of the brain. The three main arteries are the: Anterior cerebral artery (ACA), which supplies blood to the medial portion of the brain, including the superior parts of the frontal and anterior parietal lobes [1]

  4. Circle of Willis - Wikipedia

    en.wikipedia.org/wiki/Circle_of_Willis

    The anterior cerebral artery forms the anterolateral portion of the circle of Willis, while the middle cerebral artery does not contribute to the circle. The right and left posterior cerebral arteries arise from the basilar artery, which is formed by the left and right vertebral arteries. The vertebral arteries arise from the subclavian arteries.

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

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

    Anterior inferior cerebellar artery; Anterior spinal artery; Artery of Percheron; Basilar artery; Central arteries; Cerebellar veins; Cerebral arteries; Cerebral circulation; Circle of Willis; Human brain; Internal carotid artery; Labyrinthine artery; Middle cerebral artery; Ophthalmic artery; Partial anterior circulation infarct; Pontine ...

  6. Prepontine cistern - Wikipedia

    en.wikipedia.org/wiki/Prepontine_cistern

    The cistern contains the origin of the abducens nerve (CN VI), [1] [3] the basilar artery [3] and the origin of the basilar artery and of its branches, [1] and the anterior inferior cerebellar artery, and superior cerebellar artery. [1] [3]

  7. Posterior communicating artery - Wikipedia

    en.wikipedia.org/wiki/Posterior_communicating_artery

    In human anatomy, the left and right posterior communicating arteries are small [1]: 471 arteries at the base of the brain that form part of the circle of Willis. Anteriorly, it unites with the internal carotid artery (ICA) (prior to the terminal bifurcation of the ICA into the anterior cerebral artery and middle cerebral artery ); posteriorly ...

  8. Vertebral artery - Wikipedia

    en.wikipedia.org/wiki/Vertebral_artery

    The basilar artery is the main blood supply to the brainstem and connects to the Circle of Willis to potentially supply the rest of the brain if there is compromise to one of the carotids. At each cervical level, the vertebral artery sends branches to the surrounding musculature via the anterior spinal arteries .

  9. Cerebral circulation - Wikipedia

    en.wikipedia.org/wiki/Cerebral_circulation

    Internal carotid arteries: These large arteries are the medial branches of the common carotid arteries which enter the skull, as opposed to the external carotid branches which supply the facial tissues; the internal carotid artery branches into the anterior cerebral artery and continues to form the middle cerebral artery.

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