The commencing heart (ht), formed at this stage of two distinct tubes, is attached to the ventral side of the foregut.
Hence when the stomach develops from the foregut, as a specialized segment of the same, it is supplied by vagus branches.
Cleveland et al. isolated a bacterial organism from the foregut of the wood-feeding cockroach Panesthia angustipennis.
foregut fore·gut (fôr'gŭt')
The anterior part of the embryonic alimentary canal of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.