(n.) The act of dilating; expansion; an enlarging on al/ sides; the state of being dilated; dilation.
(n.) A dilation or enlargement of a canal or other organ.
Example Sentences:
(1) Intestinal dilatation seemed in all cases a response to elevated CO2 only.
(2) In the absence of atrial dilatation there was minimal stimulus for ANF secretion.
(3) Evaluation revealed tricuspid insufficiency, a massively dilated right internal jugular vein, and obstruction of the left internal jugular vein.
(4) Midtrimester abortion by the dilatation and evacuation (D&E) method has generated controversy among health care providers; many authorities insist that this procedure should be performed only by a small group of experts.
(5) DPI 201-106 (DPI) as a positive inotropic drug might be useful in treating dilated cardiomyopathy (DCM).
(6) In one of the cirrhotic patients, postmortem correlation of sonographic, angiographic, and pathological findings showed that the dilated vessels seen on sonography were cystic veins draining normally into the portal vein rather than portosystemic anastomoses.
(7) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
(8) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
(9) Myogenic constrictions and dilations was observed when IP was increased (greater than 60 cmH2O) and decreased (less than 60 cmH2O), respectively.
(10) Four hundred and twenty-five lesions were dilated in 370 patients.
(11) Most often, constrictor fibres follow the course of the pterygo-palatine nerve, when dilator fibres follow the infraorbital nerve.
(12) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
(13) Further management of the congenital cases was based on the experience that children outgrow this disorder; periodic dilatation may augment the natural process.
(14) The average size of stenosis after dilation was 32%.
(15) Computer-aided axial tomography revealed progressive development of atrophy of the left hemisphere and compensatory dilatation of the ventricles.
(16) The distinction between idiopathic dilated cardiomyopathy and myocarditis is controversial, both clinically and pathologically.
(17) In the remaining 60 patients (35 with atherosclerotic stenosis and 25 with fibromuscular dysplasia), both mean systolic and diastolic pressure fell immediately after percutaneous transluminal dilatation and remained significantly lower for a period of up to five years.
(18) The time for cervical dilatation from 7 to 10 cm and duration of the second stage of labor did not influence maternal morbidity or fetal outcome, regardless of the method of anesthesia.
(19) Histamine elicited arteriolar dilation which was blocked by metiamide suggesting the presence of H2 receptors.
(20) In 1 patient there was concomitant aneurysmal dilatation of the brachiocephalic trunk.
Distension
Definition:
(n.) Same as Distention.
Example Sentences:
(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.