Trepanation

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Trepanation

(also trephination), in medicine, the surgical section of the medullary cavity of a bone. The operation is performed with special instruments, including a trephine (or crown saw), forceps, and gouges. In former usage, “trepanation” referred only to the surgical opening of the cranial cavity to remove a brain tumor or hematoma, for example, or to apply a ligature to an injured vessel. In modern medical practice, trepanation is also performed on the tubular bones in cases of osteomyelitis, and on the mastoid in mastoiditis. Dental trepanation is the surgical formation of an opening through the gum and bone of a tooth. Corneal trepanation is the surgical cutting of the sclera. Trepanation is also used for the withdrawal of bone marrow for examination, as in sternal biopsy.

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No references found			She told me I'd have to fork out all of pounds 20 for this darned bit of plastic technology, which I wanted as much as a touch of amateur trepanation. Don't be fooled by Big Brother's pounds 10 card trick by Daily Post (Liverpool, England) 8) In 1880, Ferdinand Carl Hotz advocated early trepanation of the mastoid. An estimate of the number of mastoidectomy procedures performed ... by French, Lesley C.; Dietrich, Mary S.; Labadie, Robert F. / Ear, Nose and Throat Journal Among these were several pierced skulls, alluding to the practice of trepanation, an age-old surgical procedure to exorcise evil spirits; today it is still (although rarely) practiced, particularly in certain subcultures, as a means of attaining a higher level of consciousness. Luiz Zerbini: Galeria Fortes Vilaca by Amado, Miguel / Artforum International			Trencíb Trenck, Franz, Freiherr von der trend trending Trenev, Konstantin Trenev, Konstantin Andreevich Trengganu trennschaukel apparatus Trent Trent Affair Trent Canal Trent, Council Trent, Council of Trent, River Trentepohlia Trentepohliaceae Trentino Operation of 1916 Trentino-Alto Adige Trentino–Alto Adige Trento Trenton Trenton and Princeton, Battles Trenton Battle Monument State Historic Site Trenton Computer Festival Trentonian Trepanation Trepang trepanning tool Trepca Trephone Trepkowski, Tadeusz Treplev, Konstantin Treponema pallidum Treponemataceae treponematosis treponemiasis Trepostomata Trepov treptomorphism Treroninae Tres Arroyos Tres Marías, Las tresaunce Tresca criterion Tresco Treshchotka Treshnikov, Aleksei Treshnikov, Aleksei Fedorovich trespass tresse trestle			Trenton Browne Information Services Trenton Computer Festival Trenton Gay and Lesbian Civic Association Trenton Historical Society Trenton Memorial Hospital Trenton period Trenton Public Education Foundation Trenton Small Business Week Trenton State College Trenton Teen Leadership Corps Trenton Thunder Trenton Titans Trenton, New Jersey Trenton, NJ, USA - Mercer County Trentonian Trentway Wagar TREO TREOS TREP TREPA TREPAC trepan trepan trepan trepan Trepanation trepanations trepanations trepanations trepang trepang Trepanging Trepanging trepangs trepangs Trepanize Trepannation Trepannation trepanned trepanned trepanned Trepanner trepanning trepanning trepanning trepanning trepanning tool Trepanotrabeculectomy trepans trepans trepans Trepca Trepeget Trephanation Trephanation Trephinate

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