(v. t.) To expand; to distend; to enlarge or extend in all directions; to swell; -- opposed to contract; as, the air dilates the lungs; air is dilated by increase of heat.
(v. t.) To enlarge upon; to relate at large; to tell copiously or diffusely.
(v. i.) To grow wide; to expand; to swell or extend in all directions.
(v. i.) To speak largely and copiously; to dwell in narration; to enlarge; -- with on or upon.
(a.) Extensive; expanded.
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.
Mydriatic
Definition:
(a.) Causing dilatation of the pupil.
(n.) A mydriatic medicine or agent, as belladonna.
Example Sentences:
(1) This article discusses the advantages, clinical uses, limitations, and legal aspects of this mydriatic antagonist in optometric practice.
(2) Prior to surgery 1.0% suprofen or a placebo was instilled; the surgeon's normal regimen of mydriatics and cycloplegics was used.
(3) The total resource cost per screen of screening using non-mydriatic photography is also estimated.
(4) Atropine sulfate, a mydriatic and cycloplegic agent, is frequently used in patients undergoing glaucoma surgery.
(5) When phenylephrine base was suspended in sesame oil at 0.045, 0.12, and 0.45 M, the mydriatic activity was also greater than equimolar suspensions of phenylephrine HCl.
(6) The expected mydriatic effect of atropine sulfate was seen in both species and, similarly, the pupillary light reflex was impaired in rats and dogs receiving either formulation of atropine sulfate at both dose levels.
(7) In CH patients, pretreatment with clonidine augments the degree of anisocoria induced by tyramine instillation, increasing the mydriatic response only in the pain-free-side pupil.
(8) A comparative study in healthy subjects and diabetic patients of the mydriatic response to topical tropicamide 0.5% with and without added phenylephrine 10% is reported.
(9) The pupillary mydriatic response to phenylephrine and the forearm arterial vasoconstrictor response to intra-arterial norepinephrine did not change.
(10) We propose the Maximal Mydriasis Test (MMT) as a simple and safe means to provide the cataract surgeon with objective and dependable pre-operative information on the idiosyncratic mydriatic response of the pupil.
(11) Formation can be reduced by elimination of the iridectomy, elimination of routine mydriatic drops, and minimization of iris trauma at the time of surgery.
(12) The role of the non-mydriatic fundus camera in detection of diabetic retinopathy was evaluated as part of a comprehensive screening programme for diabetic complications offered to all diabetic patients in a rural town.
(13) The method includes: leaving the pupil undilated before anesthesia; applying topical anesthetic to the conjunctiva; injecting about 0.25 ml of anesthesia through the non-sensitive conjunctiva into the muscle cone, then waiting until the pupil becomes dilated before injecting an additional 1.5 ml; injecting 0.25 ml anesthesia under the conjunctiva and into the tendon of the superior rectus muscle; and applying short-acting mydriatics after the injection.
(14) On the second postoperative day, 20 patients received one drop of a combined solution of 0.5% tropicamide and 0.5% phenylephrine, and the remaining patients received no mydriatic agents.
(15) The results suggested that the mydriatic effect of detomidine was mediated by the alpha 2-adrenoceptors, and that mydriasis was a good model for studying alpha 2-adrenoceptor agonists and antagonists.
(16) The ocular examination reveals a small anterior chamber, sectorial iridic atrophies, a mydriatic pupil, the camerular angle closed.
(17) The mydriatic tolerance may be due to the decrease in receptor number in the iris dilator muscle.
(18) The PPF concentrations in the cornea, secondary aqueous, and iris-ciliary body increased in a dose-dependent manner, and the concentrations were higher in the presence of mydriatics.
(19) Like many other opiates, morphine has a specific dose dependent mydriatic effect in mice which is antagonized by naloxone.
(20) We studied the pupillary cardiovascular and gastrointestinal effects of two parasympathetic blocker mydriatics.