macula acustica
noun
\
\
Medical Definition of macula acustica
: either of two small areas of sensory hair cells in the ear located in the saccule (
macula sacculi
\-ˈsak-yə-ˌlī
\
) and in the utricle (
macula utriculi
\-yu̇-ˈtrik-yə-ˌlī
\
) that are covered with gelatinous material on which are located crystals or concretions of calcium carbonate and that are associated with the perception of equilibrium
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