Middle ear structure in the chinchilla: a quantitative study.
Department of Otorhinolaryngology and Human Communication, University of Pennsylvania, Philadelphia.
- Published Article
American Journal of Otolaryngology
- Publication Date
Jan 01, 1988
The anatomic features of the chinchilla middle ear were identified and various aspects of the conductive apparatus were measured in a number of specimens by different methods. These aspects included area measures of the tympanic membrane, stapes footplate, oval window, and round window; middle-ear volume; dimensions of the ossicles, the length of their rotational axes as well as the malleus to incus lever ratio. We also weighed the ossicles. The findings are discussed with reference to their possible significance for auditory signal processing in the chinchilla.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/3400821