Vasoactive Intestinal Polypeptide ( VIP ) in Epithelial Cells of the Gut Mucosa of an Elasmobranchian Cartilaginous Fish , the Ray STURE FALKMER 1 * ,

Vasoactive Intestinal Polypeptide (VIP) in Epithelial Cells of the Gut Mucosa of an Elasmobranchian Cartilaginous Fish, the Ray STURE FALKMER1*, JAN FAHRENKRUG2, JAN ALUMETS3, ROLF HAKANSON4, AND FRANK SUNDLER3 1Department of Pathology, University of Lund, Malmo General Hospital, Malmo, Sweden. 2Department of Clinical Chemistry, Bispebjerg Hospital, Copenhagen, Denmark. 3Department of Histology, University of Lund, Lund, Sweden. 4Department of Pharmacology, University of Lund, Lund, Sweden