• respectively
  • The utricle senses motion to/fro and left/right and also senses static pitch and roll of the head, i.e. movements like putting one's chin on the chest or touching ear to shoulder, respectively. (seattledizzygroup.org)
  • ampullae
  • At the base of each canal, the bony region of the canal is enlarged which opens into the utricle and has a dilated sac at one end called the osseous ampullae. (wikipedia.org)
  • sensitivity
  • Research has shown, like songbirds, females in some species of fish show seasonal variation in auditory processing and the sensitivity of the saccule of females peaks during the breeding season. (wikipedia.org)
  • auditory
  • The horizontal plane is defined by Reid's line, the line connecting the lower rim of the orbita and the center of the external auditory canal. (wikibooks.org)
  • opens
  • From the lower part of the saccule a short tube, the canalis reuniens of Hensen, passes downward and opens into the ductus cochlearis near its vestibular extremity. (wikipedia.org)