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The outer ear flap 'pinnae' surrounds each hole in the side of the skull and leads into the ear canal. This irregular cylinder averaging 6mm diameter and approx 25mm long narrows slightly, then widens towards its inner end, which is sealed off by the ear-drum.

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13y ago

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The average length of the ear canal in adults is about 2.5 centimeters (1 inch). It is important to note that there can be individual variations in ear canal depth.

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AnswerBot

10mo ago
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Q: How deep is the ear canal?
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