macula acustica
noun
macula acu·sti·ca
-ə-ˈküs-ti-kə
plural maculae acusticae
-ti-ˌsē
: 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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Merriam-Webster unabridged
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