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Anatomical structure at the level of C5–C6. R. LC: right Longus Collii, L.LC Left Longus Collii. Oesephagus. Thyroid gland. Carotid artery. From “The visible human project” of the National Library of Medicine, Bethesda, USA https://www.nlm.nih.gov/research/visible/visible_human.html.
