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281:. Upon angular acceleration (rotation), the endolymph within the semicircular duct deflects the cupula against the hair cells of the crista ampullaris. The hair cells thus respond by stimulating neurons that innervate them.
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due to its connection with the cochlear duct via the saccule, which also contains endolymph. It also contains an inner membranous sleeve that lines the semicircular canals. The canals also contain the crista ampullaris. The
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The crista ampullaris itself is a cone-shaped structure, covered in receptor cells called "hair cells". Covering the crista ampullaris is a gelatinous mass called the
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218:, meaning that there are three pairs in total. The function of the crista ampullaris is to sense angular acceleration and deceleration.
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https://web.archive.org/web/20070703152544/http://education.vetmed.vt.edu/curriculum/VM8054/Labs/Lab11/Ear/EXAMPLES/Excrista.htm
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Semicircular canal: ampulla at medium magnification with a hemotoxylin & eosin stain
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located in the semicircular ducts are innervated by the eighth cranial nerve, the
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http://www.anatomyatlases.org/MicroscopicAnatomy/Section16/Plate16314.shtml
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http://www.kumc.edu/instruction/medicine/anatomy/histoweb/eye_ear/ear04.htm
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http://www.med.uiuc.edu/histo/small/atlas/objects/1296.htm
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The inner ear comprises three specialized regions of the
294:. Philadelphia, PA USA: Saunders Elsevier. p. 448.
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is the sensory organ of rotation. They are found in the
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http://faculty.une.edu/com/abell/histo/CristaAmp.jpg
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46:but its sources remain unclear because it lacks
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77:Learn how and when to remove this message
261:The semicircular canals are filled with
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772:Reissner's/vestibular membrane
16:Sensory organ in the inner ear
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515:promontory of tympanic cavity
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292:Netter's Essential Histology
230:: the vestibular sacs – the
131:Supply sensation of rotation
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505:secondary tympanic membrane
250:, which is involved in the
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510:prominence of facial canal
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530:aditus to mastoid antrum
290:Ovalle, William (2008).
32:This article includes a
272:vestibulocochlear nerve
61:more precise citations.
186:Anatomical terminology
521:Posterior structures
762:Cochlear duct /
726:Perilymphatic space
626:Auditory tube /
228:membranous labyrinth
944:Semicircular canals
917:Vestibular aqueduct
240:semicircular canals
212:semicircular canals
118:Semicircular canals
922:endolymphatic duct
910:Otolithic membrane
823:Tectorial membrane
782:Reticular membrane
587:posterior ligament
535:pyramidal eminence
491:Medial structures
332:2007-06-07 at the
320:2007-09-28 at the
34:list of references
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977:crista ampullaris
927:endolymphatic sac
859:Vestibular system
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735:Cochlear aqueduct
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582:superior ligament
570:anterior ligament
560:superior ligament
448:Auricular muscles
431:intertragic notch
301:978-1-929007-86-8
246:, as well as the
244:vestibular organs
204:crista ampullaris
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967:Ampullary cupula
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565:lateral ligament
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700:Vestibular duct
680:Auditory system
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628:Eustachian tube
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334:Wayback Machine
322:Wayback Machine
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147:A15.3.03.088
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53:Please help
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811:stereocilia
764:scala media
705:Helicotrema
495:oval window
384:Anatomy of
136:Identifiers
59:introducing
962:Horizontal
900:Kinocilium
665:membranous
658:Labyrinths
475:Middle ear
426:antitragus
285:References
238:, and the
222:Background
957:Posterior
868:Vestibule
816:tip links
789:Endolymph
750:Boettcher
730:Perilymph
650:Inner ear
609:stapedius
443:Ear canal
416:antihelix
398:Outer ear
263:endolymph
216:inner ear
122:inner ear
67:July 2015
1002:Category
972:Ampullae
952:Superior
838:internus
833:externus
745:Claudius
715:Modiolus
605:Muscles
547:Ossicles
330:Archived
318:Archived
208:ampullae
128:Function
114:Location
905:Otolith
888:Saccule
876:Utricle
695:Cochlea
688:General
555:Malleus
453:Eardrum
436:earlobe
406:Auricle
390:balance
386:hearing
256:hearing
236:saccule
232:utricle
214:of the
109:Details
55:improve
893:macula
881:macula
741:Cells
594:Stapes
421:tragus
298:
279:cupula
577:Incus
411:helix
190:[
179:77714
40:, or
670:bony
458:umbo
388:and
296:ISBN
234:and
202:The
167:7020
163:7015
159:7012
142:TA98
254:of
174:FMA
154:TA2
120:of
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377:e
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363:v
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51:.
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