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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_system's_semicircular_canal-_a_cross-section.jpg?width=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 wikiPageRevisionID "601541519".
- 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 subject Category:Ear.
- Ampullary_cupula subject Category:Sensory_organs.
- Ampullary_cupula subject Category:Vestibular_system.
- Ampullary_cupula type Abstraction100002137.
- Ampullary_cupula type Anatomy106057539.
- Ampullary_cupula type Biology106037666.
- Ampullary_cupula type Cognition100023271.
- Ampullary_cupula type Content105809192.
- Ampullary_cupula type Discipline105996646.
- Ampullary_cupula type KnowledgeDomain105999266.
- Ampullary_cupula type LifeScience106037298.
- Ampullary_cupula type Morphology106078327.
- Ampullary_cupula type NaturalScience106000400.
- Ampullary_cupula type PsychologicalFeature100023100.
- Ampullary_cupula type Science105999797.
- Ampullary_cupula type AnatomicalStructure.
- Ampullary_cupula type AnimalBodyPart.
- Ampullary_cupula type BiologicalObject.
- 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 sameAs Ampullary_cupula.
- Ampullary_cupula wasDerivedFrom Ampullary_cupula?oldid=601541519.
- Ampullary_cupula depiction Vestibular_system's_semicircular_canal-_a_cross-section.jpg.
- Ampullary_cupula isPrimaryTopicOf Ampullary_cupula.
- Ampullary_cupula name "Cupula".