EFFECT OF CHOLINERGIC SECRETAGOGUE SUBSTANCES ON THE MORPHOLOGY OF THE HARDERIAN-GLAND IN THE FROG, RANA-ESCULENTA

被引：3
|
作者：
DIMATTEO, L [1 ]
BACCARI, GC [1 ]
MINUCCI, S [1 ]
机构：
[1] UNIV NAPLES 2,FAC MED CHIRURG,IST ANAT UMANA NORMALE,NAPLES,ITALY
来源：
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY | 1995年 / 112卷 / 01期
关键词：
HARDERIAN GLAND; EXOCRINE GLAND; RANA ESCULENTA; AMPHIBIA; SECRETAGOGUES; HYPOPHYSECTOMY; HISTOLOGY; HISTOCHEMISTRY; ULTRASTRUCTURE;
D O I：
10.1016/0300-9629(95)00095-O
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The present study using secretagogue substances was undertaken to investigate Harderian gland secretion in the frog, Rana esculenta. Carbamylcholine chloride and bethanechol injections caused enhancement of the secretory activity anti hyperemia, while nicotine did not. Morphological examinations showed reduced cellular height and dilated alveolar lumina, containing secretory granule discharge, nuclei and cytoplasmic fragments, indicating an apocrine and holocrine secretion type. The administration of atropine prevented the enhancement of the secretion. Our data suggest that cholinergic stimulation provokes enhancement of the secretory activity on the frog HC, and this mechanism appears to be mediated by the activation of the muscarinic receptors.
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页码：29 / 34
页数：6
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