fenestration

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fenestration

 [fen″es-tra´shun]
1. the presence of openings in a body part.
2. the creation of openings to allow for viewing of parts.
3. the surgical creation of a new opening in the labyrinth of the ear for the restoration of hearing in otosclerosis.
4. loss or lack of supporting bone around the root of a tooth.
alveolar plate fenestration apical fenestration.
aorticopulmonary fenestration aortic septal defect.
apical fenestration a condition sometimes seen in children, consisting of round or oval openings perforating the plate of bone that overlies a pulpless primary tooth. Called also alveolar plate fenestration.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

fen·es·tra·tion

(fen'es-trā'shŭn),
1. The presence of openings or fenestrae in a part.
2. Making openings in a dressing to allow inspection of the parts.
3. In dentistry, a surgical perforation of the mucoperiosteum and alveolar process to expose the root tip of a tooth to permit drainage of tissue exudate.
4. An operation to create an opening in the horizontal semicircular canal to improve hearing in otosclerosis.
Farlex Partner Medical Dictionary © Farlex 2012

fenestration

(fĕn′ĭ-strā′shən)
n.
1. The design and placement of windows in a building.
2. An opening in the surface of a structure, as in a membrane.
3. The surgical creation of an artificial opening in a bone, as in the inner ear so as to improve or restore hearing.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

fenestration

Laminotomy, see there.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

fen·es·tra·tion

(fen'ĕs-trā'shŭn)
1. The presence of openings or fenestrae in a part.
2. Making openings in a dressing to allow inspection of the parts.
3. dentistry A surgical perforation of the mucoperiosteum and alveolar process to expose the root tip of a tooth to permit drainage of tissue exudate.
4. surgery An opening created to gain access to the cavity within an organ or a bone.
[L. fenestra, window]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

fenestration

1. The surgical establishment of an opening or the formation of a window.
2. An operation on the inner ear, to relieve the deafness caused by OTOSCLEROSIS in which the inner of the three tiny bones of the middle ear becomes fused in its seating. Fenestration creates a new window in the wall of the inner ear to allow freer vibration of the fluid within. It has now been largely superseded by better procedures such as stapedectomy.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

fenestration

the presence in an organism of window-like openings, as in the palate of marsupials.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

fen·es·tra·tion

(fen'ĕs-trā'shŭn)
1. In dentistry, a surgical perforation of the mucoperiosteum and alveolar process to expose the root tip of a tooth to permit drainage of tissue exudate.
2. The presence of openings or fenestrae in a part.
3. Making openings in a dressing to allow inspection of the parts.
Medical Dictionary for the Dental Professions © Farlex 2012