WordNet

(physics) the exponential return of a system to equilibrium after a disturbance (同)relaxation behavior
(physiology) the gradual lengthening of inactive muscle or muscle fibers
a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount (同)relaxation method
an occurrence of control or strength weakening; "the relaxation of requirements"; "the loosening of his grip"; "the slackening of the wind" (同)loosening, slackening

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Role of the nitrergic pathway in motor effects of oxytocin in rat proximal colon.

Wang R1, Guo LY1, Suo MY1, Sun Y1, Wu JY1, Zhang XY2, Liu CY1.
Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society.Neurogastroenterol Motil.2016 Dec;28(12):1815-1823. doi: 10.1111/nmo.12883. Epub 2016 Jun 14.
BACKGROUND: Oxytocin (OT) reduces rat duodenal tone and mouse intestinal transit; however, the underlying mechanisms are not totally understood. Consequently, this study was designed to investigate the influence of OT on spontaneous mechanical activity and neurally evoked responses, to characterize
PMID 27302181

Singh J1, Kumar S1, Rattan S1.
American journal of physiology. Gastrointestinal and liver physiology.Am J Physiol Gastrointest Liver Physiol.2015 Sep 1;309(5):G292-300. doi: 10.1152/ajpgi.00125.2015. Epub 2015 Jul 2.
Changes in oxidative stress may affect basal tone and relaxation of the internal anal sphincter (IAS) smooth muscle in aging. We examined this issue by investigating the effects of the oxidative stress inducer 6-anilino-5,8-quinolinedione (LY-83583) in basal as well as U-46619-stimulated tone, and n
PMID 26138467

Upregulation of bile acid receptor TGR5 and nNOS in gastric myenteric plexus is responsible for delayed gastric emptying after chronic high-fat feeding in rats.

Zhou H1, Zhou S2, Gao J2, Zhang G2, Lu Y2, Owyang C3.
American journal of physiology. Gastrointestinal and liver physiology.Am J Physiol Gastrointest Liver Physiol.2015 May 15;308(10):G863-73. doi: 10.1152/ajpgi.00380.2014. Epub 2014 Dec 24.
Chronic high-fat feeding is associated with functional dyspepsia and delayed gastric emptying. We hypothesize that high-fat feeding upregulates gastric neuronal nitric oxide synthase (nNOS) expression, resulting in delayed gastric emptying. We propose this is mediated by increased bile acid action o
PMID 25540233

Nitric Oxide and Carbon Monoxide Act as Inhibitory Neurotransmitters in the Longitudinal Muscle of C57BL/6J Mouse Distal Colon

Hidaka Ayako,Azuma Yasu-Taka,Nakajima Hidemitsu [他],TAKEUCHI Tadayoshi
Journal of pharmacological sciences 112(2), 231-241, 2010-02-20
… The present study was designed to identify the inhibitory neurotransmitters mediating nonadrenergic noncholinergic relaxation in the longitudinal muscle of C57/BL mouse distal colon. … Relaxation induced by electrical field stimulation (EFS) was recorded isotonically in the presence of atropine and guanethidine. …
NAID 10029889058

Mechanical activity of frog esophagus muscle in response to electrical stimulation of intramural nerves

YOSHIDA Masahide
日本平滑筋学会機関誌 43(2), 73-84, 2007-04
… In longitudinal muscle segments, transmurally applied electrical stimulation produced contractile responses which were not inhibited by atropine or guanethidine, but were reduced in amplitude by TTX, suggesting a nonadrenergic-noncholinergic (NANC) excitatory innervation in the esophagus muscle. …
NAID 110006317518

Participation of ATP in Nonadrenergic, Noncholinergic Relaxation of Longitudinal Muscle of Wistar Rat Jejunum

Waseda Kaori,Takeuchi Tadayoshi,Ohta Mayuko [他],OKISHIO Yutaka,FUJITA Akikazu,HATA Fumiaki,TAKEWAKI Tadashi
Journal of pharmacological sciences 97(1), 91-100, 2005-01-20
… A role of ATP in nonadrenergic, noncholinergic (NANC) relaxations was examined in the Wistar rat jejunum. … Electrical field stimulation (EFS) induced NANC relaxation of longitudinal muscle of the jejunal segments in a frequency-dependent manner. … A purinoceptor antagonist, adenosine 3'-phosphate 5'-phosphosulfate (A3P5PS, 100 μM) inhibited the relaxation: relaxations induced by EFS at lower or higher frequencies were either completely or partially inhibited, respectively. …
NAID 10025725383