(a.) Like stone; hard; stony; rocky; as, the petrous part of the temporal bone.
(a.) Same as Petrosal.
Example Sentences:
(1) When the method proposed by Trela (1975) is applied, thin layers of the petrous crest are chiselled out until the common crus of the superior and posterior semi-circular becomes apparent.
(2) This included estimation of the furthest distance that the cooling fluid, using coloured water, and the bone chips of a dry petrous temporal bone can be thrown, and the spread of the fine dust produced by the drilling using a staph.
(3) Skull base traumatic aneurysms most commonly involve the petrous, cavernous, or supraclinoid carotid artery and also show a predominance in teenage boys.
(4) The right petrous bone was hypoplastic and showed total superior dehiscence of the internal acoustic meatus.
(5) The method of choice for evaluating the position and appearance of the cochlear implant proved to be conventional tomography of the petrous bone in the frontal transorbital plane.
(6) 3) Despite displacement of the arcuate eminence, the SSC tended to remain perpendicular to the petrous ridge and 60 degrees from the internal auditory canal.
(7) An unusual case of aneurysmal dilatation of both petrous and cavernous carotid arteries and the vertebral-basilar junction in a child is presented.
(8) Tomography of the petrous bones showed, in both cases, an upward tilt of the long axes of the bones including their auditory canals, generalized sclerosis of the petrous pyramids and enlargement of the ossicles.
(9) Thin (1 mm) section CT in axial and coronal planes is the best imaging investigation of the petrous temporal bones but the place of magnetic resonance scanning to confirm that the inner ear is fluid-filled and polytomography to show a multichannel implant in the cochlea is discussed.
(10) A case of primary chondromyxoid fibroma of the petrous and sphenoid bones extending into the posterior clinoid process, sella, and cavernous sinus in a 26-year-old man is reported.
(11) The Authors conceive the petrous bone as made of four segments bounded by two vertical plans, one passing through the anterior wall of the internal auditory canal and the posterior wall of the external auditory canal, the other passing through the inner aspect of the tympanic cavity and the outer aspect of the labyrinthe.
(12) Drilling away one or several segments realizes a trans-petrous approach which always begins by drilling away the posterior-external segment, the retro-labyrinthine segment.
(13) In an attempt to find a more suitable bypass site for grafting, the petrous portion of 50 carotid arteries was studied in cadavers.
(14) Optimal techniques for the preoperative assessment and intraoperative management of the petrous carotid artery remain undefined.
(15) The inferior approach followed the petrous internal carotid artery (ICA) into the CS after an extradural subtemporal exposure or after a combined subtemporal and infratemporal fossa exposure.
(16) The distance, between the posterior extension of the sphenoidal sinus and the apex cell at the medial-anterior tip of the petrous bone, is between 8-16 mm and the contact of the both separated by thin bony wall (less than 0.5 mm) was seen in 3 adult cases (0.9%).
(17) In all cases but one, the tumors were round, or oval-shaped, well-delineated, and did not present significant contact with the petrous bone.
(18) This was associated with a right transverse fracture of the petrous bone and an intact tympanic membrane.
(19) In order to spare the cochlea and give adequate exposure to the apical cells, the middle fossa approach to the petrous apex is presented, to be used alone or in conjunction with mastoidectomy.
(20) We present a new approach to the skull base, medial and superior to the internal auditory canal, for tumors involving the anterior-superior cerebellopontine angle, petrous apex, and clivus.
Stone
Definition:
(n.) Concreted earthy or mineral matter; also, any particular mass of such matter; as, a house built of stone; the boy threw a stone; pebbles are rounded stones.
(n.) A precious stone; a gem.
(n.) Something made of stone. Specifically: -
(n.) The glass of a mirror; a mirror.
(n.) A monument to the dead; a gravestone.
(n.) A calculous concretion, especially one in the kidneys or bladder; the disease arising from a calculus.
(n.) One of the testes; a testicle.
(n.) The hard endocarp of drupes; as, the stone of a cherry or peach. See Illust. of Endocarp.
(n.) A weight which legally is fourteen pounds, but in practice varies with the article weighed.
(n.) Fig.: Symbol of hardness and insensibility; torpidness; insensibility; as, a heart of stone.
(n.) A stand or table with a smooth, flat top of stone, commonly marble, on which to arrange the pages of a book, newspaper, etc., before printing; -- called also imposing stone.
(n.) To pelt, beat, or kill with stones.
(n.) To make like stone; to harden.
(n.) To free from stones; also, to remove the seeds of; as, to stone a field; to stone cherries; to stone raisins.
(n.) To wall or face with stones; to line or fortify with stones; as, to stone a well; to stone a cellar.
(n.) To rub, scour, or sharpen with a stone.
Example Sentences:
(1) Among its signatories were Michael Moore, Oliver Stone, Noam Chomsky and Danny Glover.
(2) Follow-up studies using radiological methods show worse results (recurrent stones in II: 21.2%, in I: 5.8%, stenosis of EST in II: 6.1%, in I: 3.1%): Late results of EST because of papillary stenosis are still worse compared to those of choledocholithiasis.
(3) Other serious complications were reservoir perforation during catheterisation in 3 and development of stones in the reservoir in 2 patients.
(4) In conclusion, 1) etiology of urinary tract stone in all recurrent stone formers and in all patients with multiple stones must be pursued, and 2) all stones either removed or passed must be subjected to infrared spectrometry.
(5) Predisposition to pancreatitis relates to duct size rather than stone size per se.
(6) Three of these patients, who had a solitary stone could successfully be treated by ESWL as monotherapy.
(7) In cholesterol stones and cholesterolosis specimens, relatively strong muscle strips had similar responses to 10(-6) M cholecystokinin-8 in normal calcium (2.5 mM) and in the absence of extracellular calcium.
(8) No significant complications were related to ESWL and 90% of those followed up after successful ESWL proved stone-free at 6 weeks.
(9) The addition of alcohol to the drinking-water resulted in the formation of stones rich in pigment.
(10) One biliary stone showed cholesterol with spherical bodies of calcium carbonate and pigment.
(11) Israel has complained in recent weeks of an increase in stone throwing and molotov cocktail attacks on West Bank roads and in areas adjoining mainly Palestinian areas of Jerusalem, where an elderly motorist died after crashing his car during an alleged stoning attack.
(12) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
(13) The minimal advantage in rapidity of stone dissolution offered by tham E over tham is more than offset by the considerably increased potential for toxic side effects.
(14) The Broken King by Philip Womack Photograph: Troika Books The Sword in the Stone begins with Wart on a "quest" to find a tutor.
(15) It is no longer necessary for the kidney to be free of stones at the end of the operation.
(16) So let's be clear: children taking this drug, which is administered orally, do not get stoned.
(17) Patients with unilateral renal stone(s) with at least 1 diameter between 7 and 25 mm.
(18) Whether they affect ureteral motility in vivo or whether they can counteract ureteral spasm associated with ureteral stones have not been established.
(19) Recurrent stones are usually "silent," and we do not usually treat asymptomatic stones.
(20) Forty impressions were poured with the disinfectant dental stone and a similar number were poured with a comparable, nondisinfectant stone.