A STUDY ON THE DISTRIBUTION,ORIGIN AND PROPERTIES OF GALANIN IN SMALL INTESTINE OF RATS / 解剖学报
Acta Anatomica Sinica
;
(6)1989.
Article
in Chinese
| WPRIM
| ID: wpr-680797
ABSTRACT
The characteristics of distribution, origin and properties of galanin (GAL) were investigated, by using immunocytochemistry (the whole mount stretched pr- eparations and cryostat sections), immunoelectronmicroscopy and microspectroph- ometer measuring techniques. The results showed that (1) All layers of small intestine were rich in GAL- immunoreactive(GAL-I) nerves with a high density in myenteric and submucosal plexuses. (2) A rather high density around the small blood vessels of the small intestine and intestinal crypts were observed. Some GAL-I neurons were seen in the myenteric and submucosal plexuses. Enteric GAL-I nerve fibers seemed to be endogenic and probably related to the regulation of motor function in the gastro- intestinal tract, since there was no obvious reducation of nerve fibers after sec- tion of mesenterium or injection of capsaicin. (3) The distribution and charac- teristics of GAL-I nerve fibers in small intestine indicated that the GAL-I ne- rves might be playing a regulational role in the motion, absorption, secretion and regional blood flow of the gastrointestinal tract.
Full text:
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Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Acta Anatomica Sinica
Year:
1989
Type:
Article
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