Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A surgical instrument with a cylindrical saw usually used for removing a disk of bone, especially from the skull, or for removing corneal tissue.
- transitive verb To operate on with a trephine.
from The Century Dictionary.
- To operate upon with a trephine; trepan.
- noun An improved form of the trepan, consisting of a cylindrical saw with a handle placed transversely, like that of a gimlet, and having a sharp steel point called the center-pin.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Surg.) An instrument for trepanning, being an improvement on the trepan. It is a circular or cylindrical saw, with a handle like that of a gimlet, and a little sharp perforator called the
center pin . - transitive verb To perforate with a trephine; to trepan.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine A
surgical instrument used to remove acircular section ofbone from theskull ; atrepan . - verb To use a trephine during
surgery .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a surgical instrument used to remove sections of bone from the skull
- verb operate on with a trephine
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The surgical team will fix a metal ring over the sclera, providing a base for the trephine, that is placed over the cornea, in order to cut it.
Cornea Transplants -Corneal Transplantation Surgical Proceedure 2008
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The surgical team will fix a metal ring over the sclera, providing a base for the trephine, that is placed over the cornea, in order to cut it.
Cornea Transplants -Corneal Transplantation Surgical Proceedure 2008
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A trephine is a medical saw used to open the skull for surgery or to relieve pressure from brain swelling.
City of Bones Connelly, Michael, 1956- 2002
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“A trephine is the only conceivable way to save his life,” Reilly went on.
LADY of SKYE PATRICIA CABOT 2001
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After ulcers of the cornea, which have been large, the inequalities and opacity of the cicatrix obscures the sight; in this case could not a small piece of the cornea be cut out by a kind of trephine about the size of a thick bristle, or a small crow-quill, and would it not heal with a transparent scar?
Zoonomia, Vol. II Or, the Laws of Organic Life Erasmus Darwin 1766
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An E. N.T man to whom I told the story also said it is common and wanted to refer me to a neurosurgeon, "He will simply pass a trephine though the skull into the affected area and remove the focus, by either excision or electro-cautery, and you will be cured".
Dr. Leo Rangell: Music in the Head: Living at the Brain-Mind Border; Part 2 2008
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After the removing of the trephine, the doctors will use the donor cornea for cutting a circular graft, meaning a button-shaped section of tissue.
Cornea Transplants -Corneal Transplantation Surgical Proceedure 2008
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After the removing of the trephine, the doctors will use the donor cornea for cutting a circular graft, meaning a button-shaped section of tissue.
Cornea Transplants -Corneal Transplantation Surgical Proceedure 2008
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"And when I saw this little boy, who had one eye done with the conventional procedure and the other with the trephine, I thought to myself, 'He's experimenting on these people'."
Trials--And Errors 2007
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But he alerted hospital officials about his suspicions and then, being told Rowsey had permission to experiment with the trephine, got the American Academy of Ophthalmology to launch an investigation.
Trials--And Errors 2007
chained_bear commented on the word trephine
see note on tenacula
March 25, 2008