macula acustica
nounMedical 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