noun mal·le·us \ˈma-lē-əs\
plural mal·lei \-lē-ˌī, -lē-ˌē\

Definition of MALLEUS

:  the outermost of a chain of three small bones of the mammalian middle ear —called also hammer — see ear illustration

Origin of MALLEUS

New Latin, from Latin, hammer
First Known Use: 1669


noun mal·le·us \ˈmal-ē-əs\   (Medical Dictionary)
plural mal·lei \-ē-ˌī, -ē-ˌē\

Medical Definition of MALLEUS

:  the outermost of the chain of three ossicles in the middle ear of a mammal consisting of a head, neck, short process, long process, and handle with the short process and handle being fastened to the tympanic membrane and the head articulating with the head of the incus—called also hammer

Illustration of MALLEUS


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