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  2. Vertebral artery - Wikipedia

    en.wikipedia.org/wiki/Vertebral_artery

    Segments of vertebral artery anterior projection. The vertebral artery may be divided into four parts: The first (preforaminal) part runs upward and backward between the anterior scalene and the longus colli muscles. In front of it are the internal jugular and vertebral veins, and is crossed by the inferior thyroid artery; the left vertebral is ...

  3. Triangles of the neck - Wikipedia

    en.wikipedia.org/wiki/Triangles_of_the_neck

    The triangles of the neck describe the divisions created by the major muscles in the region.. The side of the neck presents a somewhat quadrilateral outline, limited, above, by the lower border of the body of the mandible, and an imaginary line extending from the angle of the mandible to the mastoid process; below, by the upper border of the clavicle; in front, by the middle line of the neck ...

  4. Anterior spinal artery - Wikipedia

    en.wikipedia.org/wiki/Anterior_spinal_artery

    In fact, acute sulcal artery syndrome should be suspected in patients with acute hemicord syndrome, and vertebral artery dissection should be suspected in cases of high cervical cord involvement. In a recent review by Tan YJ, et al. in 2021, good functional recovery was seen in most, and vertebral artery dissection was the leading cause of ...

  5. Scalene muscles - Wikipedia

    en.wikipedia.org/wiki/Scalene_muscles

    The scalene muscles are a group of three muscles on each side of the neck, identified as the anterior, the middle, and the posterior. They are innervated by the third to the eighth cervical spinal nerves (C3-C8). The anterior and middle scalene muscles lift the first rib and bend the neck to the side they are on. The posterior scalene lifts the ...

  6. Head and neck anatomy - Wikipedia

    en.wikipedia.org/wiki/Head_and_neck_anatomy

    The brachiocephalic artery or trunk is the first and largest artery that branches to form the right common carotid artery and the right subclavian artery. This artery provides blood to the right upper chest, right arm, neck, and head, through a branch called right vertebral artery .

  7. Suboccipital triangle - Wikipedia

    en.wikipedia.org/wiki/Suboccipital_triangle

    In the deep groove on the upper surface of the posterior arch of the atlas are the vertebral artery and the first cervical or suboccipital nerve. In the past, the vertebral artery was accessed here in order to conduct angiography of the circle of Willis. Presently, formal angiography of the circle of Willis is performed via catheter angiography ...

  8. Neck - Wikipedia

    en.wikipedia.org/wiki/Neck

    Muscles of the neck attach to the skull, hyoid bone, clavicles and the sternum. They bound the two major neck triangles; anterior and posterior. [1] [7] Anterior triangle is defined by the anterior border of the sternocleidomastoid muscle, inferior edge of the mandible and the midline of the neck.

  9. Longus colli muscle - Wikipedia

    en.wikipedia.org/wiki/Longus_colli_muscle

    The longus colli muscle (Latin for long muscle of the neck) is a muscle of the human body. The longus colli is situated on the anterior surface of the vertebral column , between the atlas and the third thoracic vertebra .