• stimulation
  • Any orientation of the head causes a combination of stimulation to the utricles and saccules of the two ears. (wikipedia.org)
  • The initial head tilt to right will cause stimulation of the right utricle resulting in excitory signals to pass to the SR and SO (right eye), and IO and IR (left eye). (wikipedia.org)
  • In case of any lesion from the utricle to the brainstem, diminished input from the affected vestibular pathway, for example the left vestibular is the same as stimulation of right vestibular pathway, resulting in the erroneous interpretation by the brain that the head is tilted to the right and consequently that the SVV is tilted to the left. (wikipedia.org)
  • hair
  • The structures that enable the saccule to gather this vestibular information are the hair cells. (wikipedia.org)
  • The best-characterized in vitro model system of mature mammalian hair cells utilizes organ cultures of utricles from adult mice ( Figure 1 ) 1-6 . (jove.com)
  • The utricle is a vestibular organ, and the hair cells of the utricle are similar in both structure and function to the hair cells in the auditory organ, the organ of Corti. (jove.com)
  • Importantly, we find that adenoviral infection of supporting cells does not result in toxicity to hair cells or supporting cells, as cell counts in Ad-GFP infected utricles are equivalent to those in non-infected utricles ( Figure 3 ). (jove.com)
  • Thus adenovirus-mediated gene expression in supporting cells of cultured utricles provides a powerful tool to study the roles of supporting cells as mediators of hair cell survival, death, and regeneration. (jove.com)
  • 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)
  • cells
  • We have recently developed a technique for infection of supporting cells in cultured utricles using adenovirus. (jove.com)