(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.
Speculum
Definition:
(pl. ) of Speculum
(n.) A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman archaeology.
(n.) A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below.
(n.) An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations.
(n.) A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female.
Example Sentences:
(1) Nasal endoscopy can find nasal and sinus pathology that might easily be missed with routine speculum and nasopharyngeal examination.
(2) The Gruber aural speculum, gave a completely, uninterrupted view of the choana.
(3) Investigation of secondary infertility in a woman with a history of second-trimester spontaneous abortion revealed two cervices on a speculum examination.
(4) To determine the usefulness of the Gram stain as a screening technique for maternal colonization with group B beta-streptococcus, we produced a Gram stain from a cervicovaginal swab taken at the time of sterile speculum examination in patients being evaluated for preterm rupture of membranes or preterm labor.
(5) A conductive sponge electrode inserted through the speculum served as the active TM electrode.
(6) Fraenkel's speculum (1872) combines fenestrated blades with a screw-set for self-retaining.
(7) Standard nasal speculums are readily available in most operating rooms and can also be used to protect skin and soft tissues during pin insertion.
(8) We have designed a self-retaining iris speculum for use in open-sky vitrectomy.
(9) Neither lid speculum nor physical restraint in the form of a papoose board was used.
(10) The aims of the study were to find the prevalence of cervical Chlamydia trachomatis infection in women attending for a speculum examination, to examine possible risk factors, and to see if we could develop a rational policy for testing for chlamydia in our deprived inner London practice.
(11) The results showed that it is possible to identify reliably the well-designed trouble-free cavity by the features of its skin lining and the ability to visualize the entire cavity through a size 4 Siegle speculum.
(12) A gauge mounted on the front end of the speculum is calibrated to measure the size of the opening at the tip of the speculum.
(13) Rexy had managed to get lodged so when looking toward the cervix using a speculum you could just see his head and front claws above this anatomical parapet.
(14) The rubber-foam tampons, cylindrical in shape (diameter 70 mm, height 70-90 mm), were introduced into the cranial part of the vagina, using an applicator and a vaginal speculum.
(15) The system comprises an attachment to the speculum, a self-retaining retractor, and a slim tapered brain spatula and pronged hook.
(16) This was achieved using humidified air at 38 degrees C at the wider end of the aural speculum.
(17) The simplest method of dealing with a frigore facial paralysis surgically seems to be by a minima neurolysis using a speculum and tackling it through the ear-drum as in otiospongiosis.
(18) The use of titanium alloys is recommended for making bone-joining members, retracting medical instruments, of the spatula and speculum types, some kinds of non-magnetic pincers and ultrasonic medical instruments.
(19) (4) "Blind" intubation through the nose renders the method possible in cases where it is impossible to use a speculum.
(20) Contraction of the orbicularis oculi muscle against the rigid speculum may have traumatized the lid, resulting in a levator aponeurosis disinsertion and subsequent ptosis.