(n.) A frame covered with parchment or cloth, on which the blank sheets are put, in order to be laid on the form to be impressed.
Example Sentences:
(1) Subsequently, the inflammatory reaction diminishes, as can be seen on smears from tympanic effusions.
(2) Deep body temperature was recorded from the tympanic membrane, oral cavity, esophagus, and rectum.
(3) Microotoscopy showed a blue pulsating mass behind the tympanic membrane.
(4) Both tympanic and nontympanic pathways of sound reception are utilized by anuran amphibians.
(5) A clinico-pathological study of 10 cases (including histopathology) indicates that occult cholesteatoma is neither a congenital cholesteatoma nor an epidermoid cyst, originating in the attic through a melaplastic process of middle ear mucosa behind an intact tympanic membrane.
(6) An artist's rendition of the entire normal gerbil tympanic membrane is presented.
(7) The core temperature is taken from the rectum, the nasopharynx or tympanic membrane, and the peripheral temperature from the great toe.
(8) (2) Tympanometrically measured middle ear pressure (MEP) was almost equivalent to the actual MEP recorded by a manometer when the tympanic membrane was normal.
(9) These complications are of much higher frequency than after tympanoplasty with autograft, and indications for tympano-ossicular homografts are now limited to total tympanic destruction with absence of handle of malleus.
(10) Definitive degeneration and atrophic type changes were seen in all the parotid fragments removed six months after selective neurectomy of the tympanic plexus.
(11) During juvenile and adult life stages, the process becomes somewhat removed from the fenestra for obvious reasons, but at a gape of about 40 to 50 degrees it inevitably must touch the "inferior tympanic membrane" and possibly also the tympanic ring.
(12) On the other hand, the ciliary activity of the middle ear lining displays a varying pattern of reaction according to the locations within the tympanic cavity.
(13) Tympanometric findings could more often correctly suggest reduced tympanic membrane mobility than did otomicroscopy, but both methods gave an equally good indication of middle ear effusion.
(14) Ventilatory conditions, or the existence of soft tissue density, were evaluated by HRCT at such locations as the supratubal recess, mesotympanum, anterior and posterior parts of the tympanic isthmus, epitympanum, and mastoid antrum.
(15) Also the tympanic nerve and its course on the promontorium have been estimated.
(16) In this second report a sizable proportion of the men reported a history of otitis or otorrhea but had normal tympanic membranes.
(17) Above 5 kHz discrete resonances are observed, and the response varies strongly with position on the tympanic membrane.
(18) One problem remains: permanent aeration of the new tympanic cavity.
(19) Significant improvements in measurements of ear function also allow us to be more precise in the diagnoses of otosclerosis, perforation of the tympanic membrane, ossicular discontinuity, facial nerve dysfunction, and brain stem disorders.
(20) 1) When pressure was applied to the tympanic cavity, the curvature of the TM became small under negative pressure and large under positive pressure, with the displacement being greater under positive pressure.
Tympanum
Definition:
(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.