The Mysterious Cartilaginous/Bony Ear Canal Junction

Research related to the occlusion effect (OE) suggests that the OE is minimized when contact of the ear insert (closed coupled in this case) is made with the bony ear canal1,2.  Measurements of the OE for various in-canal devices are numerous and essentially support this conclusion.  But, to what extent does the cartilaginous/bony ear canal…

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Earwax and Glands

Earwax: Sweat and Cerumen Glands: Part 3   Glands of the Skin of the Ear Canal Earwax is the result of the action of sweat and cerumen glands in the skin lining of the outer portion of the ear canal (Figure 1).  The dermis of the skin of the cartilaginous ear canal contains two exocrine…

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