Inner ear
Pathways
Topography
Equilibrium organ, structure
Ductus semicircularis
anterior
N ampullaris anterior
N ampullaris lateralis
Ampulla membranacea
posterior
N ampullaris
posterior
Ductus semicircularis
lateralis
Ganglion vestibuläre
Ductus
cochlearis
Cupula ampullaris
Crista ampullaris
N utricularis
N. vestibularis
Crista
ampullaris
N ampullaris
Sensory cells
* Supporting cells
N saccularis
d
Resting state
Rotation of the head to the right side
Stop of rotation
Fig. 717 a-d
Equilibrium organ; Labyrinthus vestibularis,
a
Anterior view
b
Higher magnification of the area indicated in
a;
the anterior
part of the posterior membranous ampulla, Ampulla
membranacea posterior, has been opened.
c
Cross-section through the ampullary crest, Crista ampullaris
d
Function of the cupula of the lateral semicircular duct,
Ductus semicircularis lateralis, during rotation of the head
