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trephine

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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.

tre·phine

(trē-fīn', -fēn'),
1. Synonym(s): perforator
2. To remove a disc of bone or other tissue by means of a trephine.
[contrived fr. L. tres fines, three ends]
Farlex Partner Medical Dictionary © Farlex 2012

trephine

(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·phining, tre·phines
To operate on with a trephine.
treph′i·na′tion (trĕf′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

trephine

A hollow, cylindrical cutting instrument with the edge at one end sharpened or saw-toothed, used to cut a circular hole in bone or other tissue by pressure and rotation.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Trephine

A small surgical instrument that is rotated to cut a circular incision.
Mentioned in: Corneal Transplantation
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. 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.
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
Mentioned in
References in periodicals archive
Bilateral marrow trephine infiltration was present in 06 patients in our study while the aspirate smears in these showed infiltration bilaterally in one case but were negative in four cases while in one case the marrow aspirate was hemodiluted.
BONE MARROW INFILTRATION IN NEUROBLASTOMA AND ASSOCIATED HEMATOLOGICAL FEATURES
Megaloblastic Anaemia- BM Trephine shows Megaloblastic Maturation (100x)
PANCYTOPENIA- A CLINICO-HAEMATOLOGICAL STUDY
Caption: Figure 2: Fried egg appearance; bone marrow trephine (H&E stain).
Concurrent Hairy Cell Leukemia and Metastatic Merkel Cell Carcinoma
Two round wounds of 5.0 mm in diameter were produced using trephine and a blade in dorsal skin of each of 24 KO and 24 WT mice.
Impaired Healing of a Cutaneous Wound in an Inducible Nitric Oxide Synthase-Knockout Mouse
Free-omental grafts were confectioned using a 7-mm trephine. After fixation to the corneas using 9-0 mononylon wire in a simple separated suture, the grafts were covered with AM patches.
Lamellar keratoplasty in rabbits using an allogeneic free omental graft and omentum-derived mesenchymal cells associated with the canine amniotic membrane/Ceratoplastia lamelar em coelhos usando enxerto de omento alogeno livre e celulas mesenquimais omentais associadas com membrana amniotica canina
The bone was removed with drills bits and trephines allowing removal of blocks from the sector according to the size of the defect to be filled.
Bone Formation in Maxillary Sinus Lift Using Autogenous Bone Graft at 2 and 6 Months/Formacion Osea en Elevacion de Seno Maxilar Usando Injerto Oseo Autogeno a los 2 y 6 Meses
She had a platelet count of 1 x [10.sup.9]/ mL (reference range 150-400 x [10.sup.9]/mL) but an otherwise unremarkable complete blood count, peripheral blood smear, and bone marrow aspirate and trephine biopsy result.
Cutaneous Legionella longbeachae infection in immunosuppressed woman, United Kingdom
We reported a case of refractory classical Hodgkin lymphoma in which Hodgkin Reed-Sternberg (HRS) cells were only demonstrated in bone marrow aspirations and trephine biopsy sections only when the disease disseminated.
Hodgkin and Reed-Sternberg cells in bone marrow aspirations of a patient with advanced classical Hodgkin lymphoma
Trephine Ganado is natural and decreasing sexual steroids (Alvarez-Nemegyei, 1998).
Study of impact of prolactin in women ages 20 to 40 years in model of menstruation period and infertility referred to Razmjo Moqadam lab in Zahrdan city
Detection of the bcr/abl gene in bone marrow macrophages in CML and alterations during interferon therapy-a fluorescence in situ hybridization study on trephine biopsies.
Bone marrow metastasis of prostatic adenocarcinoma with post-treatment foamy-like changes: a diagnostic pitfall
Placement of a frontal trephine allows for irrigation of the frontal recess in order to evacuate the frontal sinus in a minimally invasive manner.
Iatrogenic fracture of the superomedial orbital rim during frontal trephine irrigation
The relationship between pressure regulation and anatomic localization as well as trephine sites in goniotrepanation.
Comparison of long term intraocular pressure control following small flap vs conventional trabeculectomy
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