Backwards and forwards with the migrating complex.
D000328:Adult; D000818:Animals; D004285:Dogs; D005260:Female; D005768:Gastrointestinal Hormones / Q000502:physiology; D005769:Gastrointestinal Motility; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007421:Intestine, Small / Q000502:physiology*
D005768:Gastrointestinal Hormones