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.

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.

trepan

See trephine.

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]

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]

trepan

trephine.
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References in periodicals archive ?
lYet more drama concerning the Eclipse and Prince of Wales's Stakes winner Trepan, trained in France by Francois
1976 TREPAN (Francois Boutin) Prince of Wales's Stakes and Coral-Eclipse Stakes DISQUALIFIED
As he has had to live through things like last year's stable lads' strike and the doping of top winner Trepan, he may not miss the role.
lDramatic news that Trepan (Francois Boutin) has tested positive for a prohibited substance after the Prince of Wales's Stakes at Ascot.
lRose Bowl (Fulke Johnson Houghton/Willie Carson) can finish only fourth-despite being sent off odds-on-in the Prince of Wales's Stakes at Royal Ascot behind Trepan (Francois Boutin), who gives rider Philippe Paquet a first winner at the Royal meeting.
How can anyone watch Eastenders without wanting to trepan themselves?
6) The 1871 government annual report listed exports as guttapercha, india rubber, beeswax, trepan (holothurian), sago, gold, rice, camphor, and bezoar stone (Noboru 2010:41).