Medical Dictionary
ear
noun \ˈi(ə)r\
Medical Definition of EAR
1
: the characteristic vertebrate organ of hearing and equilibrium consisting in the typical mammal of a sound-collecting outer ear separated by the tympanic membrane from a sound-transmitting middle ear that in turn is separated from a sensory inner ear by membranous fenestrae
2
a : the external ear of humans and most mammals b : a human earlobe <had her ears pierced>
3
a : the sense or act of hearing b : acuity of hearing
Illustration of EAR
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