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A cupula is a small, inverted cup or dome-shaped cap over a structure, including:

  • Ampullary cupula, a structure in the vestibular system, providing the sense of spatial orientation.
  • Cochlear cupula, a structure in the cochlea.
  • A structure surrounding hair cell receptors sensitive to hydrodynamic flow in fish.
  • The cervical pleura in the thorax.
  • A layer in the otolith organs.
  • The cupula optica, or optic cup, in embryological development of the eye.
  • Cup-like structure fitted over the eye during electrophysiology study.
  • Cupola, the spherical domes atop churches and other structures

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