fenestration (redirected from apical fenestration)

fenestration /fen·es·tra·tion/ (fen″es-tra´shun)

1. the act of perforating or condition of being perforated.

2. the surgical creation of a new opening in the labyrinth of the ear for restoration of hearing in otosclerosis.

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aorticopulmonary fenestration  aortic septal defect.

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fen·es·tra·tion (fn-strshn)

n.

1. An opening in the surface of a structure, as in a membrane.

2. The surgical creation of such an opening.

3. The surgical creation of an artificial opening in the bony part of the inner ear to improve or restore hearing.

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fenestration

[fen′əstrā′shən]

Etymology: L, fenestra, window

1 a surgical procedure in which an opening is created to gain access to the cavity within an organ or a bone.

2 an opening created surgically in a bone or organ of the body.

3 (in dentistry) a procedure to expose a root tip of a tooth to permit drainage of exudate. Also called window. fenestrate, v.

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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.

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fenestration (fe·n·strāˑ·shn),

n 1. surgery that accesses a cavity within a bone or organ.
2. an orifice created in an organ or a bone by surgery.

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fenestration

1. the act of perforating or the condition of being perforated.

2. the surgical creation of a new opening in the labyrinth of the ear for the restoration of hearing in otosclerosis.

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aortopulmonary fenestration

aortic septal defect.

fenestration heart valves

naturally occurring fenestrations are common in horses and cause development of cardiac murmurs, especially audible in foals. They appear to be congenital and to exert no significant deleterious effect.

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fenestration

Laminotomy, see there