trephination
noun Date: 1874 an act or instance of perforating the skull with a surgical instrument

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • trephination — 1874, from trephine (v.), 1804, from trephine (n.), 1620s, said to be from L. tres fines “three ends,” with form apparently influenced by TREPAN (Cf. trepan). Related: Trephining …   Etymology dictionary

  • trephination — noun an operation that removes a circular section of bone from the skull • Derivationally related forms: ↑trephine • Hypernyms: ↑operation, ↑surgery, ↑surgical operation, ↑surgical procedure, ↑surgical process * * * …   Useful english dictionary

  • trephination — See trephine. * * * …   Universalium

  • trephination — noun the surgical procedure in which a hole is drilled in the skull and a circular piece of bone removed Syn: trepanation …   Wiktionary

  • trephination — Removal of a circular piece (“button”) of cranium by a trephine. SYN: trepanation. * * * treph·i·na·tion .tref ə nā shən n an act or instance of using a trephine (as to perforate the skull) * * * treph·i·na·tion (tref″ĭ naґshən)… …   Medical dictionary

  • trephination — n. (Medicine) using a trephine, using a small circular saw for cutting circular discs of bone …   English contemporary dictionary

  • trephination — treph·i·na·tion …   English syllables

  • corneoscleral trephination — a method of trephining the sclerocornea for the relief of increased tension in glaucoma …   Medical dictionary

  • dental trephination — surgical creation of a fistula by puncturing the soft tissue and cortical bone overlying the root apex to provide drainage. Called also apicostomy …   Medical dictionary

  • trephine — trephination /tref euh nay sheuhn/, n. /tri fuyn , feen /, n., v., trephined, trephining. Surg. n. 1. a small circular saw with a center pin mounted on a strong hollow metal shaft to which is attached a transverse handle: used in surgery to… …   Universalium

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