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- Ampullary_cupula abstract "The cupula is a structure in the vestibular system, providing the sense of spatial orientation.The cupula is located within the ampullae of each of the three semicircular canals. Part of the crista ampullaris, the cupula has embedded within it hair cells that have several stereocilia associated with each kinocilium. The cupula itself is the gelatinous component of the crista ampullaris that extends from the crista to the roof of the ampullae. When the head rotates, the endolymph filling the semicircular ducts initially lags behind due to inertia. As a result, the cupula is deflected opposite the direction of head movement. As the endolymph pushes the cupula, the stereocilia is bent as well, stimulating the hair cells within the crista ampullaris. After a short time of continual rotation however, the endolymph’s acceleration normalizes with the rate of rotation of the semicircular ducts. As a result, the cupula returns to its resting position and the hair cells cease to be stimulated. This continues until the head stops rotating which simultaneously halts semicircular duct rotation. Due to inertia however, the endolymph continues on. As the endolymph continues to move, the cupula is once again deflected resulting in the compensatory movements of the body when spun. In each of these situations, as fluid rushes by the cupula, the hair cells stimulated transmit the corresponding signal to the brain through the vestibulocochlear nerve (CN VIII)In their natural orientation within the head, the cupulae are located on the medial aspect of the semicircular canals. In this orientation, the kinocilia rest on the posterior aspect of the cupula.".
- Ampullary_cupula dorlandsPrefix "c_67".
- Ampullary_cupula dorlandsSuffix "12271717".
- Ampullary_cupula grayPage "1051".
- Ampullary_cupula graySubject "232".
- Ampullary_cupula thumbnail Vestibular_systems_semicircular_canal-_a_cross-section.jpgwidth=300.
- Ampullary_cupula wikiPageExternalLink Excrista.htm.
- Ampullary_cupula wikiPageExternalLink CristaAmp.jpg.
- Ampullary_cupula wikiPageExternalLink Plate16314.shtml.
- Ampullary_cupula wikiPageExternalLink ear04.htm.
- Ampullary_cupula wikiPageID "4679294".
- Ampullary_cupula wikiPageLength "4529".
- Ampullary_cupula wikiPageOutDegree "19".
- Ampullary_cupula wikiPageRevisionID "657010511".
- Ampullary_cupula wikiPageWikiLink Category:Ear.
- Ampullary_cupula wikiPageWikiLink Category:Sensory_organs.
- Ampullary_cupula wikiPageWikiLink Category:Vestibular_system.
- Ampullary_cupula wikiPageWikiLink Crista_ampullaris.
- Ampullary_cupula wikiPageWikiLink Endolymph.
- Ampullary_cupula wikiPageWikiLink Hair_cell.
- Ampullary_cupula wikiPageWikiLink Hair_cells.
- Ampullary_cupula wikiPageWikiLink Inner_ear.
- Ampullary_cupula wikiPageWikiLink Kinocilia.
- Ampullary_cupula wikiPageWikiLink Kinocilium.
- Ampullary_cupula wikiPageWikiLink Orientation_(geometry).
- Ampullary_cupula wikiPageWikiLink Osseous_ampullae.
- Ampullary_cupula wikiPageWikiLink Semicircular_canal.
- Ampullary_cupula wikiPageWikiLink Spatial_orientation.
- Ampullary_cupula wikiPageWikiLink Vertigo.
- Ampullary_cupula wikiPageWikiLink Vertigo_(medical).
- Ampullary_cupula wikiPageWikiLink Vestibular_nerve.
- Ampullary_cupula wikiPageWikiLink Vestibular_system.
- Ampullary_cupula wikiPageWikiLink Vestibulocochlear_nerve.
- Ampullary_cupula wikiPageWikiLinkText "Ampullary cupula".
- Ampullary_cupula wikiPageWikiLinkText "ampullary cupula".
- Ampullary_cupula wikiPageWikiLinkText "cupula".
- Ampullary_cupula caption "Inner ear illustration showing semicircular canal, hair cells, ampulla, cupula, vestibular nerve, & fluid".
- Ampullary_cupula dorlandspre "c_67".
- Ampullary_cupula dorlandssuf "12271717".
- Ampullary_cupula graypage "1051".
- Ampullary_cupula graysubject "232".
- Ampullary_cupula hasPhotoCollection Ampullary_cupula.
- Ampullary_cupula latin "cupula ampullaris".
- Ampullary_cupula name "Cupula".
- Ampullary_cupula wikiPageUsesTemplate Template:Auditory_and_vestibular_systems.
- Ampullary_cupula wikiPageUsesTemplate Template:Citation_needed.
- Ampullary_cupula wikiPageUsesTemplate Template:Grays.
- Ampullary_cupula wikiPageUsesTemplate Template:Infobox_anatomy.
- Ampullary_cupula wikiPageUsesTemplate Template:See.
- Ampullary_cupula subject Category:Ear.
- Ampullary_cupula subject Category:Sensory_organs.
- Ampullary_cupula subject Category:Vestibular_system.
- Ampullary_cupula hypernym Structure.
- Ampullary_cupula type AnatomicalStructure.
- Ampullary_cupula type Article.
- Ampullary_cupula type Building.
- Ampullary_cupula type Article.
- Ampullary_cupula type Feature.
- Ampullary_cupula type Source.
- Ampullary_cupula type Thing.
- Ampullary_cupula type Q4936952.
- Ampullary_cupula comment "The cupula is a structure in the vestibular system, providing the sense of spatial orientation.The cupula is located within the ampullae of each of the three semicircular canals. Part of the crista ampullaris, the cupula has embedded within it hair cells that have several stereocilia associated with each kinocilium. The cupula itself is the gelatinous component of the crista ampullaris that extends from the crista to the roof of the ampullae.".
- Ampullary_cupula label "Ampullary cupula".
- Ampullary_cupula sameAs m.0cgyw4.
- Ampullary_cupula sameAs Q4748565.
- Ampullary_cupula sameAs Q4748565.
- Ampullary_cupula wasDerivedFrom Ampullary_cupula?oldid=657010511.
- Ampullary_cupula depiction Vestibular_systems_semicircular_canal-_a_cross-section.jpg.
- Ampullary_cupula isPrimaryTopicOf Ampullary_cupula.
- Ampullary_cupula name "Cupula".