trepan


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trephine

 [trĕ-f€īn´, trĕ-fēn´]
1. a saw for removing a disk of bone, chiefly from the skull.
Trephine. From Dorland's, 2000.
2. an instrument for removing a circular area of cornea.
3. to remove with this instrument.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

trepan

(trĭ-păn′)
n.
1. A rock-boring tool used in mining for sinking shafts.
2. Medicine A trephine.
tr.v. tre·panned, tre·panning, tre·pans
1. To bore (a shaft) with a trepan.
2. To bore or otherwise make a hole in (the skull), as in certain prehistoric cultures or in surgery using a trephine.

trep′a·na′tion (trĕp′ə-nā′shən) n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

tre·phine

, trepan (trē-fīn', trĕ-pan')
1. A cylindric or crown saw used for the removal of a disc of bone, especially from the skull, or of other firm tissue as that of the cornea.
2. To remove a disc of bone or other tissue by means of a trephine.
[contrived fr. L. tres fines, three ends]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

tre·phine

, trepan (trē-fīn', trĕ-pan')
1. A cylindric or crown saw used for the removal of a disc of bone, especially from the skull, or of other firm tissue.
2. To remove a disc of bone or other tissue by means of a trephine.
[contrived fr. L. tres fines, three ends]
Medical Dictionary for the Dental Professions © Farlex 2012
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References in periodicals archive ?
Dad didn't get to enjoy the euphoria of victory that day as Trepan was disqualified at a later date having failed dope tests both at Sandown and in his previous race, the Prince of Wales's Stakes at Royal Ascot.
The P50 achieves the largest diameter percussion-drilled holes while providing the versatility and precision to trepan and drill smaller holes, the company says.
Apart from not getting the trip in the Derby and being over the top when flopping in the Champion Stakes won by Vitiges, Wollow had a fine season, winning the Eclipse after Trepan was disqualified, the Sussex Stakes and the Benson & Hedges.
The previous year he had chaired what was then the longest-ever Jockey Club disciplinary hearing-a 12-hour session at which Trepan was disqualified from the Prince of Wales's and Eclipse Stakes, after producing a positive sample in both.
Primary tooling lines manufactured by OTM as specials include: indexable combination tools, custom tool design and build, indexable drills, indexable core drills and trepan tools, and quick-change chuck jaw systems.
lLagunette's celebrated stablemate Trepan can finish only fourth behind Freddie Head on Ivanjica, trained by the jockey's father Alec, in the Prix du Prince d'Orange.