Anatomy and Cell Biology 2221 Lecture Notes - Lecture 7: Platysma Muscle, Baroreceptor, Arytenoid Cartilage
26 Jan 2017
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Ansa cervicalis, which lies outside of the carotid sheath, and is made up of a superior loop (c1) and an inferior loop (c2 and c3) You are a team trainer and a player sustains a cut to the neck. Neck injuries can result in brachial plexus problems. A 65-year-old woman presents with a growing thyroid mass and progressive hoarseness and choking. She was exposed to radiation as a child, when she was growing up in chernobyl, prior to immigrating to canada. Physical examination reveals a weak, breathy, hoarse voice and a large left thyroid mass. Might be a tumor putting pressure on the air passageway. Of the 3 cn, only one remains enclosed in the sheath with the vessels vagus n. Both the internal jugular vein and the carotid arteries (internal and external) are enclosed in the carotid sheath from the base of the skull to the thorax. The carotid sheath is found within the carotid triangle.
