Sternocleidomastoid is not supplied by?
Correct Answer: Post Auricular Aery
Description: Occipital aery, superior thyroid aery and thyrocervical trunk supplies blood to sternocleidomastoid muscle. The thyrocervical trunk gives off the following branches: (1) the inferior thyroid aery, which supplies blood to the thyroid gland; (2) the transverse cervical aery, which passes backward across the neck to supply blood to the trapezius and rhomboid muscles; and (3) the suprascapular aery, which courses laterally across the neck toward the suprascapular notch and paicipates in the elaborate anastomosis of vessels that surround the scapula. The inferior thyroid aery anastomoses with the superior thyroid aery, a branch of the external carotid aery. The posterior auricular aery passes upward, behind the auricle, and supplies blood to the scalp.Also Know-The sternocleidomastoid muscle creates the borders for both the anterior and the posterior triangles of the neck, and is innervated by the spinal accessory nerve (CN XI).
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Anatomy
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