myenteric plexus

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Related to myenteric: myenteric plexus, myenteric reflex
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Noun1.myenteric plexus - a plexus of unmyelinated fibers and postganglionic autonomic cell bodies in the muscular coat of the esophagus and stomach and intestines
nerve plexus - a network of intersecting nerves
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References in periodicals archive ?
Similar results were described by Gabella (1971), who analyzed the relationship between the size of the neuronal cell body of the small intestine myenteric plexus by means of NADPH-[d.sup.+] histochemical and development period of albino neonatal rats and adult rats (Epimys norvegicus).
(9) It has dopamine [D.sub.2] receptor blocking activity in the central nervous system and in the peripheral submucosal and myenteric plexus of gastrointestinal tract.
De Winter et al., "Chronic alcohol consumption affects gastrointestinal motility and reduces the proportion of neuronal NOS-immunoreactive myenteric neurons in the murine jejunum," Anatomical Record, vol.
The ENS contains the myenteric and submucosal plexi, which are responsible for controlling smooth muscle activity in the GI tract [40, 41].
The bird died, and postmortem findings included mild, nonsuppurative encephalitis and degenerative encephalopathy; lymphoplasmacytic myenteric ganglioneuritis (particularly of the proventriculus); and wallerian degeneration of the sciatic nerves.
Progressive activation of p44/42 MAPK in response to ischemia and reperfusion was chiefly localized to the crypts of Lieberkuhn, circular and longitudinal muscle layers, whereas p38 MAPK was prominently activated in myenteric plexus and both muscle layers.
Distinguishing the location of mucosa, submucosa, circular muscularis, and longitudinal muscularis, the myenteric plexus and deep nerve plexus were made into ultrathin section; (5) ultrathin sections (50-70 nm thick) were put on copper reseau with 200 or 400 holes.
Demonstration of varicella-zoster virus infection in the muscularis propria and myenteric plexi of the colon in an HIV-positive patient with herpes zoster and small bowel pseudo-obstruction (Ogilvie's syndrome).
It is a potent inducer of GI peristalsis by way of its synergistic action at the level of myenteric plexus.
Approximate 95% of body 5-FIT is found in the GI tract, 90% is in enterochromaffin cells (EC cell) and the surplus 10% in serotonergic neurons of myenteric plexus (Sikander et al.
Gil, "Myenteric denervation downregulates galectin-1 and -3 expression in gastric carcinogenesis," Digestive Diseases and Sciences, vol.
In the GI tract, the stimulation of 5-H[T.sub.4]R in the enteric nervous system results in the release of acetylcholine, which leads to the excitation of smooth muscles in the myenteric plexus, and thus, 5-H[T.sub.4]R is regarded a prokinetic [12].