Document Detail

Modelling the malleus vibration as a rigid body motion with one rotational and one translational degree of freedom.
MedLine Citation:
PMID:  8150727     Owner:  NLM     Status:  MEDLINE    
Vibration of a set of points distributed along the manubrium of cat was measured with a heterodyne interferometer in response to sinusoidal acoustic signals. The observed motion did not fit pure rotation of the malleus around a fixed axis coinciding with the anterior mallar and posterior incudal ligament as is classically assumed. As a first approximation a model of motion consisting of a rotational and a translational component was used. At low frequencies the rotation is mostly predominant, but the situation may be entirely reversed at mid and high frequencies. The presence of a translation besides rotation was also found at some frequencies in the motion of the human malleus.
W F Decraemer; S M Khanna
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Hearing research     Volume:  72     ISSN:  0378-5955     ISO Abbreviation:  Hear. Res.     Publication Date:  1994 Jan 
Date Detail:
Created Date:  1994-05-10     Completed Date:  1994-05-10     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7900445     Medline TA:  Hear Res     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  1-18     Citation Subset:  IM    
Laboratory of Biomedical Physics, University of Antwerp, Rijksuniversitair Centrum Antwerpen, Belgium.
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MeSH Terms
Acoustic Stimulation*
Cochlea / physiology
Malleus / physiology*
Manubrium / physiology
Models, Biological*
Tympanic Membrane / physiology
Grant Support

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