(n.) The ear drum, or middle ear. Sometimes applied incorrectly to the tympanic membrane. See Ear.
(n.) A chamber in the anterior part of the syrinx of birds.
(n.) One of the naked, inflatable air sacs on the neck of the prairie chicken and other species of grouse.
(n.) The recessed face of a pediment within the frame made by the upper and lower cornices, being usually a triangular space or table.
(n.) The space within an arch, and above a lintel or a subordinate arch, spanning the opening below the arch.
(n.) A drum-shaped wheel with spirally curved partitions by which water is raised to the axis when the wheel revolves with the lower part of the circumference submerged, -- used for raising water, as for irrigation.
Example Sentences:
(1) To test ciliary clearance, the fluid was placed in either the tympanum or the mastoid bulla.
(2) These areas are the anterior epi-tympanum, the recess between the tympanic membrane and the anterior and inferior canal walls, the facial ridge and the sump that can form behind it, the sino-dural angle and the mastoid tip.
(3) This study has demonstrated the anatomical relations of the cochlea to structures in the medial wall of the tympanum, and has shown that surgical access can be obtained to the terminal auditory nerve fibres supplying the basal, middle and apical turns of the cochlea.
(4) From this preliminary investigation, the device successfully maintained atmospheric pressures in the tympanum, compensated for Eustachian tube malfunction, prevented otorrhea and recurrence of middle ear effusions.
(5) Temperature within the brain and the esophagus and at the tympanum were obtained in a 12-yr-old male in a series of experiments that began 8 days after surgery for implantation of a drainage catheter.
(6) This is invariably indicated on a pre-operative basis, except in two circumstances: --when the glomus, tumour is small and situated close to the drum of the tympanum, its surgical excision posing no problem of haemostasis under these circumstances: --when radiotherapy is envisaged as treatment of the glomus tumour when surgery is impossible.
(7) Although the clinical importance of these differences remains to be established, the authors believe they are substantial enough to justify continued use of tympanostomy tubes in the primary surgical therapy of chronic secretory otitis media, when medical therapy and observation indicate the need for drainage to improve hearing or correct anatomic deformities of the tympanum.
(8) The thick tympanum, while disadvantageous as an aerial receptor, likely enhances low-frequency bone conduction hearing.
(9) The inflammatory process, issuing from the external auditory passage and under circumvention of the tympanum, spreads to the skull base and according to the localisation causes adequate pareses of the brain nerves.
(10) Massive discharge occurred only with low viscosity fluid placed in the tympanum, whereas small amounts of highly viscous fluid were cleared by linear discharge.
(11) Otorrhea is the most common complication of surgical drainage of the tympanum for the treatment of chronic secretory otitis media.
(12) The authors report six cases of rare ear diseases: fibrous dysplasia of the tympanum mimicking an partially obstructive osteoma of the external auditory canal.
(13) The tube with a beveled head and split shank is very convenient and effective for the treatment since it is not only easily inserted but also easily removed, preventing it from migration into the tympanum.
(14) The existing peri-ligamentous space of the disco-malleolar ligament is a latent way between temporomandibular joint rear and tympanum.
(15) It has been assumed that the common inheritance of all early tetrapods was a light, rod-like stapes associated with a temporal notch in the otic region that was thought to have supported a tympanum, or eardrum.
(16) Seromucous effusions were found in the tympanum in 91% of 208 cases of cleft palate.
(17) The experimental evidence of cochleovestibular toxicity of aminoglycosides applied locally in the presence of a perforated tympanum leaves no room for doubt.
(18) Insertion of tympanostomy tubes to provide prolonged aeration and drainage of the tympanum in cases of chronic secretory otitis media has become the most commonly performed operation in children.
(19) In all animals, nontympanic surfaces were most responsive to low frequencies, and the tympanum was most responsive to high frequencies.
(20) The method seems to have the following merits: permanent ventilation of the tympanum with preservation of an intact drum (from the functional point of view); no tympanophonia or autophonia; simple technique, short operative period (five minutes); no risk of postoperative complications; and no danger of ascending infection of the middle ear from the ear canal.
Wheel
Definition:
(n.) A circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc.
(n.) Any instrument having the form of, or chiefly consisting of, a wheel.
(n.) A spinning wheel. See under Spinning.
(n.) An instrument of torture formerly used.
(n.) A circular frame having handles on the periphery, and an axle which is so connected with the tiller as to form a means of controlling the rudder for the purpose of steering.
(n.) A potter's wheel. See under Potter.
(n.) A firework which, while burning, is caused to revolve on an axis by the reaction of the escaping gases.
(n.) The burden or refrain of a song.
(n.) A bicycle or a tricycle; a velocipede.
(n.) A rolling or revolving body; anything of a circular form; a disk; an orb.
(n.) A turn revolution; rotation; compass.
(v. t.) To convey on wheels, or in a wheeled vehicle; as, to wheel a load of hay or wood.
(v. t.) To put into a rotatory motion; to cause to turn or revolve; to cause to gyrate; to make or perform in a circle.
(v. i.) To turn on an axis, or as on an axis; to revolve; to more about; to rotate; to gyrate.
(v. i.) To change direction, as if revolving upon an axis or pivot; to turn; as, the troops wheeled to the right.
(v. i.) To go round in a circuit; to fetch a compass.
(v. i.) To roll forward.
Example Sentences:
(1) By the 1860s, French designs were using larger front wheels and steel frames, which although lighter were more rigid, leading to its nickname of “boneshaker”.
(2) From the standpoint of breakeven facts and resource efficiency the minicenter and clinic-on-wheels were similar and superior to the other two.
(3) Among the improved patients, eight became ambulatory and independent in activities of daily living (ADL), eight became independent from a wheel-chair level, and eight returned home or to the community.
(4) This is where he would infuriate the neighbours by kicking the football over his house into their garden; this is Old Street, where his friends would wait in their car to whisk him off to basketball without his parents knowing; Pragel Street, where physiotherapists spotted him being wheeled in a Tesco shopping trolley by friends and suggested he took up basketball; the Housing Options Centre, where he sent a letter forged in his father's name saying he had thrown 16-year-old Ade out and he needed social housing.
(5) The chicks were individually placed in running wheels for 2 x 1 hr, 24 hr before testing.
(6) A total of 60 male Sprague-Dawley rats were randomly assigned at 6 weeks of age to a sedentary control group (n = 22) or to a group with unlimited access to a running wheel (n = 38).
(7) The relatively conservative behavior of these mice in selecting between multiple sources of food and water and different types of activity wheels suggests the need for careful experimental design in free-choice studies with inexperienced animals.
(8) Of course, if the wheels are falling off the regime, people will try to find a way out, but it is much more likely that they will simply defect, rather than try to pull off a coup and then negotiate a deal for the regime.
(9) The pressure sore resulted from the commonly practised habit of grasping the upright of the wheel chair with the upper arm in order to gain stability.
(10) Blinded female reats were placed in running-wheel cages to monitor the phase of their activity cycle.
(11) Cells have been injected iontophoretically with the calcium sensitive metallochromic dye arsenazo III and changes in differential absorbance have been measured using a spinning wheel microspectrophotometer.
(12) Motor vehicle occupants may suffer severe cervical airway injuries as the result of impaction with the steering wheel, dashboard, windshield, backseat, and seat belt.
(13) The 2008 financial crisis saw countries adopt extreme measures to keep the economic wheels turning, for example by reducing interest rates to record lows , pumping billions into the system through quantitative easing in the US, Japan, the UK and the euro-area, and striking trade deals to open markets further.
(14) The causes of barotrauma were: 1) Undue length of the tube pressed by machine's wheel which connect the ventilator to the anesthesia machine.
(15) The role of steering wheel design in maxillofacial trauma is discussed and new solutions briefly reviewed.
(16) For US allies, trying to follow Washington’s lead over the past four months has been akin to trying to drive in convoy behind a car swerving violently at high speed, as the competing factions inside lunge for the steering wheel.
(17) Last month, neighbours watched in silence as her bloodstained body was wheeled out of the front door of the small house she shared with her two daughters on the outskirts of the Honduran capital of Tegucigalpa.
(18) This tends to push buyers behind the wheel of a diesel, which usually produces less CO2 than an equivalent petrol.
(19) Towards the end, as entire eras wheeled past in a blur, I realised the programme itself would outlive me, and began desperately scrawling notes that described the broadcast's initial few centuries for the benefit of any descendants hoping to pick up from where I left off.
(20) But it also succeeded by elevating the likes of Luke Skywalker and Han Solo to the kind of status usually reserved for totemic superheroes such as Batman, Superman and Spider-Man, characters destined to be wheeled out time and time again in different big screen iterations.