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  2. Internal carotid artery - Wikipedia

    en.wikipedia.org/wiki/Internal_carotid_artery

    The internal carotid artery is an artery in the neck which supplies the anterior and middle cerebral circulation. [ 1 ] In human anatomy, the internal and external carotid arise from the common carotid artery , where it bifurcates at cervical vertebrae C3 or C4.

  3. Common carotid artery - Wikipedia

    en.wikipedia.org/wiki/Common_carotid_artery

    The common carotid artery is contained in a sheath known as the carotid sheath, which is derived from the deep cervical fascia and encloses also the internal jugular vein and vagus nerve, the vein lying lateral to the artery, and the nerve between the artery and vein, on a plane posterior to both. On opening the sheath, each of these three ...

  4. Circle of Willis - Wikipedia

    en.wikipedia.org/wiki/Circle_of_Willis

    The posterior communicating artery is given off as a branch of the internal carotid artery just before it divides into its terminal branches - the anterior and middle cerebral arteries. The anterior cerebral artery forms the anterolateral portion of the circle of Willis, while the middle cerebral artery does not contribute to the circle.

  5. Carotid artery stenosis - Wikipedia

    en.wikipedia.org/wiki/Carotid_artery_stenosis

    At the throat it forks into the internal carotid artery and the external carotid artery. The internal carotid artery supplies the brain, and the external carotid artery supplies the face. This fork is a common site for atherosclerosis, an inflammatory build-up of atheromatous plaque inside the common carotid artery, or the internal carotid ...

  6. Pulse - Wikipedia

    en.wikipedia.org/wiki/Pulse

    In medicine, the pulse is the rhythmic throbbing of each artery in response to the cardiac cycle (heartbeat). [1] The pulse may be palpated in any place that allows an artery to be compressed near the surface of the body, such as at the neck (carotid artery), wrist (radial artery or ulnar artery), at the groin (femoral artery), behind the knee (popliteal artery), near the ankle joint ...

  7. Carotid sinus - Wikipedia

    en.wikipedia.org/wiki/Carotid_sinus

    In human anatomy, the carotid sinus is a dilated area at the base of the internal carotid artery just superior to the bifurcation of the internal carotid and external carotid at the level of the superior border of thyroid cartilage. The carotid sinus extends from the bifurcation to the "true" internal carotid artery. [1]

  8. Carotid body - Wikipedia

    en.wikipedia.org/wiki/Carotid_body

    The carotid body is a small cluster of peripheral chemoreceptor cells and supporting sustentacular cells situated at the bifurcation of each common carotid artery in its tunica externa. [ 1 ] [ 2 ] The carotid body detects changes in the composition of arterial blood flowing through it, mainly the partial pressure of arterial oxygen , but also ...

  9. Arterial tree - Wikipedia

    en.wikipedia.org/wiki/Arterial_tree

    2.2 left common carotid artery ... 2.2.1 internal carotid artery. 2.2.2 external carotid artery. ... right common carotid artery;

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