trephine

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tre·phine

 (trĭ-fīn′)
n.
A surgical instrument with a cylindrical saw usually used for removing a disk of bone, especially from the skull, or for removing corneal tissue.
tr.v. tre·phined, tre·phin·ing, tre·phines
To operate on with a trephine.

[French tréphine, from obsolete English trefine, from Latin trēs fīnēs, three ends : trēs, three; see trei- in Indo-European roots + fīnēs, pl. of fīnis, end.]

treph′i·na′tion (trĕf′ə-nā′shən) n.

trephine

(trɪˈfiːn)
n
(Surgery) a surgical sawlike instrument for removing circular sections of bone, esp from the skull
vb
(Surgery) (tr) to remove a circular section of bone from (esp the skull)
Also called: trepan
[C17: from French tréphine, from obsolete English trefine trepan1, allegedly from Latin trēs fīnēs literally: three ends; influenced also by English trepane trepan1]
trephination n

tre•phine

(trɪˈfaɪn, -ˈfin)

n., v. -phined, -phin•ing. n.
1. a small circular saw used in surgery to remove disks of bone, esp. from the skull.
v.t.
2. to operate upon with a trephine.
[1620–30; sp. variant of trefine, orig. trafine, b. trapan (variant of trepan1) and Latin phrase trēs fīnēs three ends]
treph•i•na•tion (ˌtrɛf əˈneɪ ʃən) n.

trephine


Past participle: trephined
Gerund: trephining

Imperative
trephine
trephine
Present
I trephine
you trephine
he/she/it trephines
we trephine
you trephine
they trephine
Preterite
I trephined
you trephined
he/she/it trephined
we trephined
you trephined
they trephined
Present Continuous
I am trephining
you are trephining
he/she/it is trephining
we are trephining
you are trephining
they are trephining
Present Perfect
I have trephined
you have trephined
he/she/it has trephined
we have trephined
you have trephined
they have trephined
Past Continuous
I was trephining
you were trephining
he/she/it was trephining
we were trephining
you were trephining
they were trephining
Past Perfect
I had trephined
you had trephined
he/she/it had trephined
we had trephined
you had trephined
they had trephined
Future
I will trephine
you will trephine
he/she/it will trephine
we will trephine
you will trephine
they will trephine
Future Perfect
I will have trephined
you will have trephined
he/she/it will have trephined
we will have trephined
you will have trephined
they will have trephined
Future Continuous
I will be trephining
you will be trephining
he/she/it will be trephining
we will be trephining
you will be trephining
they will be trephining
Present Perfect Continuous
I have been trephining
you have been trephining
he/she/it has been trephining
we have been trephining
you have been trephining
they have been trephining
Future Perfect Continuous
I will have been trephining
you will have been trephining
he/she/it will have been trephining
we will have been trephining
you will have been trephining
they will have been trephining
Past Perfect Continuous
I had been trephining
you had been trephining
he/she/it had been trephining
we had been trephining
you had been trephining
they had been trephining
Conditional
I would trephine
you would trephine
he/she/it would trephine
we would trephine
you would trephine
they would trephine
Past Conditional
I would have trephined
you would have trephined
he/she/it would have trephined
we would have trephined
you would have trephined
they would have trephined
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trephine - a surgical instrument used to remove sections of bone from the skulltrephine - a surgical instrument used to remove sections of bone from the skull
surgical instrument - a medical instrument used in surgery
Verb1.trephine - operate on with a trephinetrephine - operate on with a trephine    
operate on, operate - perform surgery on; "The doctors operated on the patient but failed to save his life"
Translations

trephine

[treˈfiːn]
A. Ntrépano m
B. VTtrepanar
References in classic literature ?
The suffusion of the brain will increase quickly, so we must trephine at once or it may be too late.
Contract awarded for:Quotation for the supply of long handle corneal trephines
The proximal portion of the tibia bone was obtained in its cortical surface by means of trephines of 5 mm in internal diameter by 14 mm in length (Trephine Meisinger T229L, Germany) and bone curettes in the deep area (figures 5 and 6).
Due the 10mm endoscope used in the present study, it was not possible to work with smaller trephines.
Three-dimensional reconstruction of benign lymphoid aggregates in bone marrow trephines.
Histopathological evaluation of bone marrow trephines is therefore strongly advocated as an additional source of information not only to establish diagnosis but also to assess accurately bone marrow cellularity, fibrosis, and the presence of ALIP and to detect the incipient evolution into acute non lymphoid leukaemia.
Outcomes of same-sizing versus oversizing donor trephines in keratoconic patients undergoing first penetrating keratoplasty.
Granulomas were seen in three patients on marrow trephines in this study, none of them showed necrosis, Langhan type giant cells were seen in two cases, marrow aspirates of these cases showed no specific features, a wide range of aetiological agents are associated with marrow granulomas.
In the later half of the 20th century, many ophthalmologists evolved significant refinements in technique and instrumentation with the development of corticosteroids, antibiotics, surgical microscopes, improved trephines, viscoelastics and suture materials, that enable this delicate procedure to be routinely performed with the prospect of success.
offer pathologists a heavily illustrated (in color) short text oriented on the diagnosis of most common bone marrow diseases seen in trephines.
Similar to other groups, we observed that to maximize DNA recovery, bone marrow trephines should be fixed with 10% buffered formalin (32).
S blade (6400/6500)qty:20,Disposable Fliering rings set qty:04,Disposable 8-0 Vicryl qty:03 boexs,Disposable 10-0 nylon qty:03 boexs,Disposable Casirovejo corneal trephines 5 mm, 7mni,11 min.