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The anterior gastric branches of anterior vagal trunk are branches of the anterior vagal trunk which supply the stomach. [1]One long branch of it runs from the lesser curvature or parallel to it in lesser omentum as far as the pyloric antrum to fan out into branches in a way like the digits of a crow's foot to supply the pyloric antrum and the anterior wall of pyloric canal.
The greater curvature, which begins at the cardiac notch, and arches backwards, passing inferiorly to the left, [1] is four or five times longer than the lesser curvature, [2] which attaches to the hepatogastric ligament and is supplied by the left gastric artery and right gastric branch of the hepatic artery. [1]
The incision follows at an angle of 45 degrees to the lesser curvature. [9] The staple line can, but need not, be oversewn. [9] After removal of the distal portion (including the antrum and the pylorus) of the stomach, a clamp is fitted at right angles to the greater curvature. [9]
The anterior vagal trunk is responsible mainly for providing parasympathetic innervation to the lesser curvature of the stomach, pylorus, gallbladder, and biliary apparatus. [ 1 ] Anatomy
The lesser curvature of the human stomach is supplied by the right gastric artery inferiorly and the left gastric artery superiorly, which also supplies the cardiac region. The greater curvature is supplied by the right gastroepiploic artery inferiorly and the left gastroepiploic artery superiorly.
The antrum rotates in opposite direction to the fundus of the stomach. This is the most common type of gastric volvulus, occurring in approximately 59% of cases, and it is usually associated with diaphragmatic defects. Strangulation and necrosis commonly occur with organoaxial gastric volvulus and have been reported in 5–28% of cases.
A benign gastric ulcer (from the antrum) of a gastrectomy specimen. Gastric ulcers are most often localized on the lesser curvature of the stomach. The ulcer is a round to oval parietal defect ("hole"), 2–4 cm diameter, with a smooth base and perpendicular borders.
Lower, accompanying the descending branches of the artery along the cardiac half of the lesser curvature of the stomach, between the two layers of the lesser omentum; Paracardial outlying members of the gastric lymph nodes, disposed in a manner comparable to a chain of beads around the neck of the stomach.