macula acustica

noun
macula acu·​sti·​ca | \ -ə-ˈküs-ti-kə How to pronounce macula acustica (audio) \
plural maculae acusticae\ -​ti-​ˌsē How to pronounce maculae acusticae (audio) \

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 How to pronounce -ˈsak-yə-ˌlī (audio)\ ) and in the utricle ( macula utriculi \ -​yu̇-​ˈtrik-​yə-​ˌlī How to pronounce -yu̇-ˈtrik-yə-ˌlī (audio)\ ) 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