►Ear
►►
Inner ear
Pathways
Topography
Petrous part of the temporal bone, imaging
Porus acusticus internus
Canalis semicircularis posterior
Cochlea
Cavitas tympani; Ossicula auditus
Porus acusticus externus
Apex partis petrosae
Os occipitale,
Clivus
Cellulae mastoideae
Canalis semicircularis lateralis
Tuba auditiva
Apex partis petrosae
Porus acusticus internus
Cochlea
Caput mandibulae .
\
I
Fissura
I
petrooccipitalis
:
Cellulae mastoideae
Cavitas tympani;
Ossicula auditus
Canalis
Os occipitale, Clivus
semicircularis posterior
Fig. 726 a, b
Petrous part of the temporal bone,
Os temporale, Pars petrosa;
high-resolution computed tomographic horizontal sections (HRCT);
inferior view.
a
Through the lateral semicircular canal,
Canalis semicircularis lateralis
b
Inferior to the lateral semicircular canal,
Canalis semicircularis lateralis
Tegmen tympani
Cochlea
Meatus acusticus
externus
Cavitas tympani;
Ossicula auditus
Ossicula auditus
Fig. 727 a, b
Ear, Auris;
high-resolution computed tomographic frontal sections (HRCT);
anterior view.
a
Through the base of the cochlea
b
Through the external acoustic meatus
