The Human Ear Canal – V

Ear Canal Dimensions Measurements of the human ear canal that show dimensional characteristics have been taken primarily from ear impressions. However, unless an impression is made of the entire ear canal, including the tympanic membrane, the length of the canal cannot be determined. A further weakness of ear impressions is that they do not show the…

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The Human Ear Canal – III

Ear Canal Length   Most ear canal dimensional measurements relate to the length of the ear canal. However, measurements of the ear canal length are not straightforward because measurement methods vary, especially as to how the distal and proximal boundaries of the ear canal are identified. Additionally, ear canal length provides no information about the…

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