(v. t.) In general, a large, broad piece of anything thin, as paper, cloth, etc.; a broad, thin portion of any substance; an expanded superficies.
(v. t.) A broad piece of cloth, usually linen or cotton, used for wrapping the body or for a covering; especially, one used as an article of bedding next to the body.
(v. t.) A broad piece of paper, whether folded or unfolded, whether blank or written or printed upon; hence, a letter; a newspaper, etc.
(v. t.) A single signature of a book or a pamphlet;
(v. t.) the book itself.
(v. t.) A broad, thinly expanded portion of metal or other substance; as, a sheet of copper, of glass, or the like; a plate; a leaf.
(v. t.) A broad expanse of water, or the like.
(v. t.) A sail.
(v. t.) An extensive bed of an eruptive rock intruded between, or overlying, other strata.
(v. t.) A rope or chain which regulates the angle of adjustment of a sail in relation in relation to the wind; -- usually attached to the lower corner of a sail, or to a yard or a boom.
(v. t.) The space in the forward or the after part of a boat where there are no rowers; as, fore sheets; stern sheets.
(v. t.) To furnish with a sheet or sheets; to wrap in, or cover with, a sheet, or as with a sheet.
(v. t.) To expand, as a sheet.
Example Sentences:
(1) The popularly used procedure in Great Britain is that in which a sheet of Ivalon sponge is sutured to the sacrum and wrapped around the rectum thus anchoring it in place.
(2) Some dental applications of the pressure measuring sheet, such as the measurement of biting pressure and balance during normal and unilateral biting, were examined.
(3) An accurate and reproducible method is described for generating a map of the cobalt sheet source from images of it made in multiple positions with the scintillation camera.
(4) Dose distributions were evaluated under thin sheet lead used as surface bolus for 4- and 10-MV photons and 6- and 9-MeV electrons using a parallel-plate ion chamber and film.
(5) The compromised ice sheet tilts and he sinks into the Arctic Sea on the back of his faltering white Icelandic pony.
(6) Expansion of the cell sheet following attachment, and the fusion of epiblasts advancing toward each other, does not require the presence of mineralocorticoid.
(7) The type I cells are squamous and give off attenuated sheets of cytoplasm which spread widely over the septal surface; these sheets contain few organelles.
(8) The frequency spectra of transmission coefficients for ultrasound passing through a sheet of gas-filled micropores have been measured using incident waves with amplitudes up to 2.4 x 10(4) Pa.
(9) Both types of molecules are compact and globular in shape and apparently contain beta-pleated sheet conformation.
(10) In the high-grade component, the blasts occurred in clusters or sheets, and often possessed plasmacytoid cytoplasm; glandular invasion was a rare event.
(11) A template showing typical histograms from commonly occurring CLPD was also produced on an acetate sheet.
(12) These findings suggest that the presence of features such as large prominent nucleoli, tumor growth in sheets, individual-cell necrosis, and nuclear pleomorphism may be used to predict recurrence of subtotally resected meningiomas that would not be classified as malignant by traditional criteria.
(13) The conformational similarity between tubules, sheets, and the dry powder is corroborated by calorimetry, which reveals a cooling exotherm at the same temperature where tubules form upon cooling hydrated sheets.
(14) The cortical vitreous of the normal (control) eye appeared to be a lamellar structure composed of sheets of collagen mesh.
(15) A central eight-stranded beta-pleated sheet is the main feature of the polypeptide backbone folding in dihydrofolate reductase.
(16) In order to clarify the role of dialyzer geometry, the effect of hollow-fiber versus flat-sheet dialyzers and of different surface areas on C3a generation and leukocyte degranulation was investigated.
(17) The simultaneous binding of the polypeptidic molecules to two opposing bilayers appears to be required in order to preserve the beta-sheet structure at pressures over approximately 9 kbar: a small proportion of the polypeptide, most likely the molecules at the surface of the aggregated bilayers, was found to convert to unordered and eventually to alpha-helical conformations in the pressure range 9-19 kbar.
(18) Pterygia, triangular sheets of fibrovascular tissue that invade the cornea, have recurrence rates of 30% to 50% with currently available surgical procedures.
(19) Cells containing A-layer and isolated A-layer sheets specifically bound laminin and fibronectin with high affinity.
(20) Under fluoroscopic control a lower polar calix was punctured with 18 G sheathed needle; a guide wire was introduced through the sheet.
Tympan
Definition:
(n.) A drum.
(n.) A panel; a tympanum.
(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.