Anatomy of Oesophagus. www.entlectures.com. Development of the oesophagus. At a very early period the stomach is separated from pharynx by a mere constriction from primitive pharynx. This constriction is future esophagus. Source: http://www.nature.com/gimo/contents/pt1/fig_tab/gimo6_F1.html.
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Unusual! Arterial supply derived from vessels feeding mainly other organs – thyroid, trachea & stomach
Cervical Oesophagus: Right & Left superior & inferior thyroid arteries.
Thoracic Oesophagus: Upto tracheal bifurcation Right & Left inferior thyroid Artery
direct supply from aorta (tracheo-bronchial tree)
Abdominal Oesophagus 11 branches off L gastric artery and Branches of splenicartery posteriorly