Medical term:
dissection
dissection
[dĭ-sek´shun]1. the act of dissecting.
2. a part or whole of an organism prepared by dissecting.
aortic dissection a dissecting aneurysm of the aorta; the usual site is the thoracic aorta. There are two types, classified according to anatomical location: Type A involves the ascending aorta; Type B originates in the descending aorta. Acute aortic dissection is often fatal within one month of onset. Surgical treatment may be delayed in aneurysms involving the descending aorta until the blood pressure has been controlled and edema and friability of the aorta are diminished. The usual course of treatment for an aneurysm of the ascending aorta is immediate surgery. The surgical procedure for either type is aimed at either repairing the intimal tear or removing the affected portion of the aorta. This may be done by suturing the separated aortic layers back together or by removing the damaged section of the aorta and replacing it with a synthetic graft.
axillary dissection (axillary lymph node dissection) surgical removal of axillary lymph nodes, done as part of radical mastectomy.
blunt dissection separation of tissues along natural lines of cleavage, by means of a blunt instrument or finger.
lymph node dissection lymphadenectomy.
lymph node dissection, retroperitoneal (RPLND) retroperitoneal lymphadenectomy.
sharp dissection separation of tissues by means of the sharp edge of a knife or scalpel, or with scissors.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
dis·sec·tion
(di-sek'shŭn, dī-), Avoid the mispronunciation dī'sek-shŭn.The act of dissecting.
Synonym(s): anatomy (3) [TA], necrotomy (1)
Farlex Partner Medical Dictionary © Farlex 2012
dissection
(dĭ-sĕk′shən, dī-)n.
1. The act or an instance of dissecting.
2. Something that has been dissected, such as a tissue specimen under study.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
dissection
Surgery The separation of tissues or of one tissue plane from another. See Aquadissection, Axillary dissection, Balloon dissection, Blunt dissection, Full axillary dissection, Low axillary dissection, Modified neck dissection, Neck dissection, Radical neck dissection, Selective neck dissection, Sharp dissection.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
dis·sec·tion
(di-sek'shŭn)The act of dissecting.
Synonym(s): anatomy (3) , necrotomy (1) .
Synonym(s): anatomy (3) , necrotomy (1) .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
dissection
1. Separation of tissues by cutting, teasing or blunt division.
2. The act of dissecting.
3. An anatomical preparation that has been dissected.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Dissection
A cut or divide.
Mentioned in: Aortic Dissection
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
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