Computer-aided three-dimensional reconstruction in human cochlear maps: measurement of the lengths of organ of Corti, outer wall, inner wall, and Rosenthal's canal
AuthorKawano, Atsushi; Seldon, H. Lee; Clark, Graeme M.
Source TitleAnnals of Otology and Laryngology
University of Melbourne Author/sClark, Graeme
Document TypeJournal Article
CitationsKawano, A., Seldon, H. L., & Clark, G. M. (1996). Computer-aided three-dimensional reconstruction in human cochlear maps: measurement of the lengths of organ of Corti, outer wall, inner wall, and Rosenthal's canal. Annals of Otology and Laryngology, September, 105(9), 701-709.
Access StatusOpen Access
This is a publisher’s version of an article published in Annals of Otology, Rhinology & Laryngology published by Annals Publishing Company. This version is reproduced with permission from Annals Publishing Company. http://www.annals.com/
This paper describes the application of computer-aided three-dimensional reconstruction to measurements of the length of the organ of Corti (mean ± SO. 35.58 ± 1.41 mm), scala tympani outer wall (40.8 I ± 1.97 mm), scala tympani inner wall (18.29 ± 1.47 mm), and Rosenthal's canal center (15.98 ± 1.33 mm) in eight adult male cochleas. The Rosenthal's canal center ranged between 1 ¾ and 2 turns, did not appear to be linearly related to the organ of Corti, and lay near the basal end of the latter. The length of the organ of Corti measured with three-dimensional reconstruction differed by 7.6% ± 3.2% ("culling angle difference") from that derived from traditional two dimensional reconstruction on the plane perpendicular to the plane of section, and by 2.6% ± 1.7% ("geometric difference") from that derived from two-dimensional reconstruction on the axial plane at right angles to the modiolar axis.
Keywordsanatomic measurement; cochlear length; computer model; cutting angle difference; geometric difference
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