#semicircular_canal  one of three tube loops filled with fluid and in planes nearly at right angles with one another; concerned with equilibrium
  supertype:  sense_organ__sensory_receptor__sensoryreceptor  an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
  part of:  inner_ear__innerear__internal_ear__labyrinth  a complex system of interconnecting cavities; concerned with hearing and equilibrium
     part of:  auditory_apparatus  all of the components of the organ of hearing including the outer and middle and inner ears
        part of:  auditory_system  the sensory system for hearing
  part of:  vestibular_apparatus__vestibular_system  organs mediating the labyrinthine sense; concerned with equilibrium

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