(1) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
(2) Water immersion (WI) to the neck induces prompt increases in central blood volume, central venous pressure, and atrial distension.
(3) Current methodology for the in vitro determination of aortic and large artery stiffness is reviewed and involves three approaches: (1) the estimation of distensibility by pulse wave velocity measurement; (2) the estimation of distensibility from the fractional diameter change of a given arterial segment by imaging techniques (e.g., angiography, Doppler ultrasound) against pressure change; (3) the estimation of compliance by determining volume change against pressure change in the arterial system during diastolic runoff from the Windkessel model of the circulation.
(4) Ultrastructural examination of noncartilaginous regions of the tumor demonstrated mesenchymal cells with features suggestive of cartilaginous differentiation, viz, scalloped cell membranes, sac-like distension of abundant rough endoplasmic reticulum, and a matrix containing fibrillary and finely granular material.
(5) The inferior mesenteric vein was cannulated for distension.
(6) After suspension of distension, arterial and venous flow and oxygen saturation increased beyond the quiescent level.
(7) Secondary valvular incompetence occurs from deep venous obstruction or increased venous distensibility (usually secondary to circulating estrogens).
(8) Reductions in periesophageal EMG activity during expulsion were similar before and after cervical vagotomy, which abolishes reflex relaxation of the periesophageal diaphragm following esophageal distension.
(9) The changes in the motor pattern resemble those of the intrinsically mediated 'peristaltic reflex', studied in animals, and suggest that in man the response to balloon distension may also be mediated through an intrinsic mechanism.
(10) 39 degrees C), abdominal distension and jaundice were uniformly present.
(11) However, in cases of delayed secondary scrotal surgery, or when a previous inflammatory process has existed in the scrotum, the limited scrotal distensibility may lead to further complications.
(12) Although undoubtedly release by atrial distension and effective when infused to similar concentrations, atrial distension also has other effects via neural pathways.
(13) Seven cases of capsular bag distension following capsulorhexis and phacoemulsification with posterior chamber intraocular lens insertion are presented.
(14) Pulse rate and blood pressure were not affected by the gall bladder distension.
(15) Changes in LV diastolic P-V relations may be caused by changes in myocardial distensibility and by changes in extraventricular constraint.
(16) Responses of SL-A neurons to colorectal distension were significantly greater in spinalized than in intact rats.
(17) In percutaneous transluminal coronary angioplasty, a catheter system is introduced through a systemic artery under local anesthesia to dilate a stenotic artery by controlled inflation of a distensible balloon.
(18) The patients did not have a normal increase in duodenal spike or motor activity after intestinal distension, but duodenal activity increased after stimulation with intravenous secretin.
(19) The main radiological features varied from normal findings (15% of the initial examinations) to decreased distensibility of the bowel wall, intestinal fixation, mucosal and contour abnormalities, ulceration, stenoses and fistula formation.
(20) Distension produced a transient contraction of the circular muscle on the oral side and sustained relaxation on the anal side.
Distention
Definition:
(n.) The act of distending; the act of stretching in breadth or in all directions; the state of being Distended; as, the distention of the lungs.
(n.) Breadth; extent or space occupied by the thing distended.
Example Sentences:
(1) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
(2) Thickening of the gallbladder wall, a subserosal "halo" of edema, pericholecystic abscess, and marked gallbladder distention were consistent findings in AAC.
(3) Using concurrent videoendoscopy and manometry, glottal and upper esophageal sphincter (UES) responses to abrupt esophageal distention by air injection (10-60 mL) and balloon distention (1.5, 2.0, and 2.5 cm) were recorded simultaneously.
(4) Thirty-three patients had sudden, severe, upper pain develop in the abdomen with distention from one to four years after the original operation.
(5) Quantitative analysis demonstrated a significant reduction in response to rectal distention with 20 or more ml of air (p less than 0.001).
(6) These findings suggest that in vivo intragastric titration leads to higher measured acid secretory rates than gastric aspiration because the titration method is associated with gastric distention and even small degrees of gastric distention stimulate gastric acid secretion.
(7) In each patient the initial diagnostic studies--plain abdominal radiography and barium enema examination--revealed generalized small intestine distention and non-specific colonic abnormalities, respectively.
(8) The results of these studies, considered as a whole, support the view that McCleary's osmotic postingestional satiety signal acts as an intestinal distention signal rather than by inducing thirst.
(9) Distention of the antral sleeve by hydrostatic pressure (3-25cm H2O) caused stepwise and significant increase in gastrin release that was reversible.
(10) Anal sphincter dysfunction was diagnosed by demonstrating impaired sphincter relaxation during rectal distention.
(11) Clinical signs were tachycardia, dyspnea, cyanosis, and marked abdominal distention.
(12) Their courses were characterized by significant early postoperative hemodynamic compromise, abdominal distention, ileus, fever, and episodes of late vascular instability associated with hypocalcemia.
(13) These findings, when taken together, suggest that ANF is increased in heart failure patients in response to the atrial distention associated with ventricular dysfunction and intrinsic renal insufficiency.
(14) This technique allows full internal mammary artery distention without the devascularizing effects of full skeletonization.
(15) This distention manifests itself mainly in the central areas of the lamina cribrosa and the disc, and usually disappears when the tension is normalized by surgery during the first phases of the disease.
(16) In the prairie dog model, gastric distention with acid (0.1 M hydrochloric acid, pH 1.3) and alkaline (10(-5) sodium hydroxide, pH 8.8) isotonic saline solutions both resulted in significant increases in sphincter of Oddi phasic wave frequency, amplitude, and motility index.
(17) The renal pelvis had no distention in either projection in 100 kidneys.
(18) During the study there were 874 patients, 477 (54.58%) suffered from diarrhea, 209 (23.91%) had bloody stool, 20 (2.99%) jaundice, 57 (6.52%) abdominal pain, 48 (5.49%) abdominal distention, 30 (3.43%) vomiting, 13 (1.49%) constipation, and 20 (2.29%) others.
(19) Intracerebroventricular administration of the corticotropin-releasing factor antagonist did not alter locus coeruleus activation by bladder distention.
(20) Delineation of the rectum and sigmoid colon improved in patients who received rectal barium, owing to distention and marking of the bowel by the predominantly low-signal-intensity barium.