(n.) An instrument for expanding a part; as, a urethral dilator.
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.
Orifice
Definition:
(n.) A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound.
Example Sentences:
(1) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
(2) The parameters of LES relaxation for both wet and dry swallows were similar using either a carefully placed single recording orifice or a Dent sleeve.
(3) The important concept implicit in this formula is that the hemodynamic evaluation of a stenotic valve requires that the pressure gradient across that valve be examined in light of the cardiac output passing through the orifice.
(4) Bronchoscopy may then be carried out in order to study the area surrounding the diverticular orifice more closely, and to establish the condition of its mucous lining.
(5) To study the effect of air sac pressures, a controllable pressure difference was produced between the air sac orifices of fixed duck lungs.
(6) This determines that the ureteral orifice enter the urogenital sinus laterally with respect to the Wolffian duct.
(7) The orifice size was slightly, but not significantly, smaller in patients over age 70 years compared with those younger than 70.
(8) In the light of experience acquired in our Echocardiography Laboratory, we recommend, in accordance with data from the literature, the exclusive use of pulsed Doppler and measurement of valve orifices by two-dimensional imaging at the point of insertion of the aortic and sigmoid cusps as well as at the mitral ring.
(9) Then using mathematical rules we configured out the mean volume of the root canal of each group and the mean value of the diameter of the orifice of the canal of each group of teeth.
(10) Loading is achieved by the production of transient, survivable plasma membrane disruptions as cells are passed back and forth through a standard syringe needle or similar narrow orifice.
(11) The standard surgical management of patients presenting with transitional cell carcinoma of the upper urinary tract is nephroureterectomy with excision of a cuff of bladder around the ureteric orifice.
(12) In this color Doppler method, one or more isovelocity surface areas (PISA), delineated by blue and red aliasing velocity interfaces, can be identified proximal to the narrowed orifice.
(13) Mitral orifice area is best determined with cross-sectional (two-dimensional) imaging systems.
(14) Hemodynamic comparison of the Carpentier-Edwards bioprosthesis with the standard Hancock xenograft showed similar effective orifice areas for the 23 and 25 mm diameter valves.
(15) Histological examination revealed ductal tissue in the wall of a pulmonary artery in more than half of the cases with atresia of the pulmonary orifice.
(16) Peak velocities in the rapid filling phase (R) and atrial contraction phase (A) were measured using two-dimensional Doppler echocardiography in the center of the mitral orifice in diastole.
(17) By combining Doppler catheter, echocardiographic and cardiac catheterization techniques, the effective aortic regurgitant orifice area may be estimated; this hydrodynamic area correlates with grading by supravalvular aortography.
(18) Recent improvements in two-dimensional, planar instrumentation promise to make echocardiography even more versatile, permitting more comprehensive views of left ventricular function, valve orifice areas, and the spatial relationships of the great vessels and ventricular chambers.
(19) The proximal isovelocity surface area (PISA) method, assessed by color Doppler echocardiography, has gained acceptance as a means of calculating flow rate through regurgitant orifice.
(20) The authors have gained minimum blood losses when suturing with provisional catgut ligature through the urinary bladder bottom between interureteral fold and internal urethral orifice yet before dessection of adenoma surgical capsule and tumor enucleation.