Anatomy and Physiology

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outer ear

A Dictionary of Biology | 2004 | Copyright

outer ear (external ear) The part of the ear external to the tympanum (eardrum). It is present in mammals, birds, and some reptiles and consists of a tube (the external auditory meatus) that directs sound waves onto the tympanum. In mammals it may include an external pinna, which extends beyond the skull.

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outer ear

A Dictionary of Nursing | 2008 | Copyright

outer ear (owt-er) n. the pinna and the external auditory meatus of the ear.

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"outer ear." A Dictionary of Nursing. 2008. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

"outer ear." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 29, 2012). http://www.encyclopedia.com/doc/1O62-outerear.html

"outer ear." A Dictionary of Nursing. 2008. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-outerear.html

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