Gastrin and vagus.
D000818:Animals; D002415:Cats; D004285:Dogs; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000378:metabolism*; D005755:Gastrins / Q000378:metabolism / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*
D005755:Gastrins