The cardia in swallowing, eructation, and vomiting.
D000818:Animals; D002299:Cardia / Q000502:physiology*; D002933:Cineradiography; D003679:Deglutition / Q000502:physiology*; D004285:Dogs; D004884:Eructation / Q000502:physiology*; D005764:Gastroesophageal Reflux; D014839:Vomiting