Evidence against the existence of hormonal control of small intestinal villous movement in the pigeon.
D000818:Animals; D002498:Centrifugation; D010856:Columbidae; D004386:Duodenum / Q000187:drug effects / Q000502:physiology*; D005769:Gastrointestinal Motility; D006632:Histamine / Q000494:pharmacology; D006851:Hydrochloric Acid / Q000494:pharmacology; D007413:Intestinal Mucosa / Q000502:physiology*; D011398:Promethazine / Q000494:pharmacology; D014020:Tissue Extracts / Q000494:pharmacology
D014020:Tissue Extracts; D006632:Histamine; D011398:Promethazine; D006851:Hydrochloric Acid