anterior gastric branches of anterior vagal trunk anterior gastric branches of anterior vagal trunk the anterior gastric branches of anterior vagal trunk are branches of the anterior vagal trunk which supply the stomach. anterior gastric branches of anterior vagal trunkdetailsfromanterior vagal trunktoceliac branches of vagus nerveidentifierslatinrami gastrici anteriores trunci vagalis anteriorista98a14.2.01.175ta26675fma6718anatomical terms of neuroanatomy 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.