PMID: 9188079May 12, 1997Paper

Distribution of enkephalin-like immunoreactivity in the cat digestive tract

Journal of the Autonomic Nervous System
D BagnolYvon Jule

Abstract

Immunohistochemical investigations were carried out to determine the pattern of distribution of methionine- and leucine-enkephalin-like materials in the cat pylorus, duodenum, ileum and proximal and distal colon. The present results indicate that leucine-enkephalin-like materials are less densely distributed than methionine-enkephalin-like materials, but that the two patterns of distribution show some similarities. Considerable regional differences exist however in the distribution of these enkephalin-like materials in the muscular layers. In the duodenum, ileum and proximal colon, the immunoreactivity was mainly confined to the myenteric plexus and the circular muscle layer, where it was present in nerve cell bodies and in numerous fibres. In the longitudinal muscle and submucous layers, a few immunoreactive fibres were observed which sometimes surrounded blood vessels. In the pylorus and the distal colon, however, numerous immunoreactive fibres were observed in the longitudinal and circular muscle layers; the immunoreactivity was detected in the cell bodies of numerous myenteric plexus neurons but those of only a few submucous plexus neurons. In addition, the pylorus tissues contained immunoreactive plexi which were localized...Continue Reading

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Citations

Feb 19, 2000·The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society·C PorcherM Henry
Dec 22, 1999·Microscopy Research and Technique·M S Faussone-Pellegrini, L Thuneberg

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