Dictionary:
tre·phine (trĭ-fīn') 
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[French tréphine, from obsolete English trefine, from Latin trēs fīnēs, three ends : trēs, three + fīnēs, pl. of fīnis, end.]
trephination treph'i·na'tion (trĕf'ə-nā'shən) n.| 5min Related Video: trephine |
| Dental Dictionary: trephine |
A circle-cutting surgical instrument designed to remove a circumscribed portion of tissue. It permits the insertion of the heads of intramucosal inserts into the tissue.
| Veterinary Dictionary: trephine |
1. a crown saw for removing a circular disk of bone, chiefly from the skull. See also galt trephine, michel's trephine, searcy trephine.
2. an instrument for removing a circular area of cornea, e.g. Castroviejo trephine.
3. to remove with a trephine.
| Wikipedia: Trephine |
A trephine (pronounced /trɨˈfiːn/) is a surgical instrument with a cylindrical blade. It can be of one of several dimensions and designs depending on what it is going to be used for. They may be specially designed for obtaining a cylindrically shaped core of bone that can be used for tests, cutting holes in bones (i.e. the skull) or for cutting out a round piece of the cornea for eye surgery.
A cylindrically shaped core of bone (or bone biopsy) obtained with a bone marrow trephine is usually examined in the histopathology department of a hospital under a microscope. It shows the pattern and cellularity of the bone marrow as it lay in the bone and is a useful diagnostic tool in certain circumstances.
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Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Trephine". Read more |
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