(a.) Of, pertaining to, or in the region of, the pylorus; as, the pyloric end of the stomach.
Example Sentences:
(1) The vagally induced pyloric contraction was resistant to atropine but sensitive to SPA and hexamethonium, indicating involvement of SP in the activation of preganglionic neurons as well.
(2) Gastric juice was examined in terms not only of conventional indices, observed volume, titratable acidity and acid output, but also Vg, the volume corrected for pyloric loss and duodenal reflux.
(3) No evidence was found of sex ratio anomalies in other classes of relative of pyloric stenosis index cases, whether or not the index cases had affected sibs.
(4) Pyloric sphincter pressure was assessed with water-perfused polyvinyl tubes.
(5) Nineteen patients presented as emergencies with haemorrhage, perforation, pyloric stenosis or intestinal obstruction.
(6) Antral mucosal diaphragm is uncommon, and presents with manifestations of obstruction to the pyloric outlet.
(7) MAb FW6 was also reactive with pyloric mucus glands, Brunner's glands of the duodenum, Paneth cells of the ileum, pancreatic ducts, absorptive cells of the right colon, bronchiolar glands, kidney urothelia, and with a restricted number of normal mucinous tubuli of salivary gland.
(8) Gastrin I did not significantly increase pyloric pressure but did antagonize the pyloric response to duodenal acidification.
(9) The term gastroduodenal fistula is suggested to describe double pyloric canal.
(10) Report of a case of perforation of a gallstone into the duodenal bulb producing few signs but the clinical picture of pyloric stenosis.
(11) L-NAME enhanced pyloric contractions to intra-arterial acetylcholine.
(12) The fasting and postprandial serum gastrin levels were high in one patient with recurrence, whose antrum was preserved as long as 3 cm proximal to the pyloric ring; this was longer than that described in our original method of PPG.
(13) In a search of features that might be relevant to the understanding of the hyperbilirubinaemia of infants with hypertrophic pyloric stenosis (HPS), we examined the duodenal fluid in 11 infants with this condition.
(14) A similar relationship is observed between the pyloric sphincter and duodenal motility.
(15) Tissue alterations included mechanical compression of the pancreas and liver, granulomatous inflammation and necrosis of the liver, and trauma to the muscularis externa of the pyloric caeca.
(16) The present study reconciles this conflict by showing that the major form of gastrin in the pyloric antrum is the heptadecpeptide form, while the duodenum contains mainly "big" and almost no heptadecapeptide gastrin.
(17) From 1950 to 1984, 679 patients were treated for infantile hypertrophic pyloric stenosis (IHPS) in the County of Funen, Denmark.
(18) This communication describes the removal of such a pedunculated distal antral polyp which not only caused intermittent pyloric obstruction but also a moderately severe iron deficiency anemia in an 82-year old female.
(19) The glandular stomach carcinogens N-methyl-N'-nitro-N-nitrosoguanidine, N-ethyl-N'-nitro-N-nitrosoguanidine, N-propyl-N'-nitro-N-nitrosoguanidine, 4-nitroquinoline 1-oxide and N-nitroso-N-methylurethane induced up to 100-fold increase in ODC activity in the pyloric mucosa of the stomach; the activity was maximal 24 hr after administration and returned to the control level after 48 to 72 hr.
(20) Pyloric stenosis and retention point to the failure of the operation via the negatively effected subjective feeling of well-being.
Pylorus
Definition:
(n.) The opening from the stomach into the intestine.
(n.) A posterior division of the stomach in some invertebrates.
Example Sentences:
(1) One hundred and two rats were subjected to one of following three surgical procedures: Antiperistaltic duodenogastric reflux (ADGR) was made for duodenal juice to reflux through the pylorus into the stomach.
(2) A series of alkylazulene-1-sodium sulfonate derivatives which has an isopropyl group at 6-position were synthesized, and their anti-ulcer activities were examined in Shay pylorus-ligated rats.
(3) Metoprolol was introduced into the stomach with a homogenized meal containing a nonabsorbable marker, [14C]-PEG 4000, and another marker, PEG 4000, was perfused continuously into the duodenum just below the pylorus.
(4) The dumping-syndrome is a severe complication of gastric surgery after operations which destroy or weaken the sphincter mechanism of the pylorus.
(5) The nonsulfated form of CCK-OP was about 2 to 3 log units less potent in eliciting these excitatory responses in the pylorus (threshold, 9 x 10(-10) mol).
(6) Sodium bicarbonate, chlorpromazine, hexamethonium, atropine, metiamide, and bilateral vagotomy markedly inhibited the stress ulcers which developed in the pylorus-ligated rats.
(7) The distances from the pylorus to the most proximal branch (proximal branch) and the most distal branch (distal branch) of the anterior antral branches were measured in 37 duodenal ulcer patients.
(8) Analyses of gastric juice withdrawn 3 hours after the pylorus was ligated and of plasma corticosterone and blood glucose after animals were exposed to rotational stress revealed that gastric secretion was highest in controls, intermediate in stressed rats that developed ulcers, and lowest in stressed rats that did not develop ulcers.
(9) Seven piglets (3 to 5 days old, 1.5 to 2.0 kg) underwent operative transgastric insertion of a duodenostomy tube placed just distal to the pylorus.
(10) When pentobarbital, a GABAA stimulant, was given to pylorus-ligated rats after recovery from ether anesthesia, the drug did not modify gastric acid secretion.
(11) Anterior lesser curve seromyotomy with posterior truncal vagotomy (ASPTV) provides a simple, safe and expeditiously performed method of denervating the parietal cell mass, whilst preserving the pylorus.
(12) Bipolar electrodes were implanted on the gastrointestinal serosa from the pylorus to the sigmoid colon in male Wistar rats.
(13) A necessary condition of pyloropreserving resection is the leaving of the pylorus zone not more than 2-3 cm.
(14) In five dogs, the stomach and duodenum were separated enterically by transecting and oversewing the proximal duodenum and by anastomosing a Roux-en-Y jejunal limb to the pylorus.
(15) Parasites escape from the ruptured region of the peritrophic membrane at the pylorus to gain access to the ectoperitrophic space, where intense multiplication occurs.
(16) Conservation of ileal pylorus, consequently has an effective action on the control of ileal leakage, protecting its mucosa from serious histopathologic changes.
(17) Some of these compounds inhibited at low doses gastric secretion in pylorus-ligated rats and antagonized ulcers in pylorus-ligated rats plus acetylsalicylic acid and in cold+restraint-stressed rats.
(18) It was found in these pylorus-ligated rats that: the number of visible gastric lesions was significantly higher 1 h after aspirin administration than at other times; the severity of gastric lesions increased significantly at the 3rd and 4th hour after administration of aspirin; the volume of gastric secretory responses increased gradually after administration of aspirin and to a higher extent than the H+ output; the H+ output was significantly less after aspirin administration than that after pylorus ligation only; the gastric mucosal SOD activity significantly increased 1 h after administration of aspirin, decreasing significantly and gradually thereafter; the tissue level of MDA remained unchanged 1 h after aspirin administration, decreasing significantly thereafter.
(19) Carotene was injected into the rumen of a ram after surgical ligation of the pylorus.
(20) Our objectives in this study were (a) to determine the role of antroduodenal resistance in the control of fasting duodenogastric bile reflux in the dog and (b) to elucidate the contribution of the pylorus both to resistance and to reflux.