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Ear
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Overview
Outer ear
Middle
ear
Nerves in the petrous part of the temporal bone
N auricularis posterior (N. facialis)
R auricularis (N. vagus)
N, facialis [VII]
N tympanicus
Plexus tympanicus
N caroticotympanicus (Plexus caroticus internus)
N facialis [VII]
N. petrosus major
N petrosus minor
Ganglion inferius (IX)
A carotis interna
N. glossopharyngeus [IX]
N vagus [X]
Chorda tympani
Chorda tympani
Plexus caroticus internus
N canalis pterygoidei
(Radix facialis)
->476
Fig. 722
Facial nerve, N. facialis [VII];
glossopharyngeal nerve, N. glossopharyngeus [IX];
and vagus nerve, N. vagus [X];
the petrous part of the temporal bone has been partly sectioned;
the nerves are illustrated translucently;
anterior view.
Crura
Ductus semicircularis lateralis
Canalis semicircularis
lateralis
Membrana stapedialis
Eminentia pyramidalis
M. stapedius, Tendo
Caput stapedis
N. facialis [VII]
Canalis nervi facialis
stapedis
Proc cochleariformis
N. petrosus major
M tensor tympani
Semicanalis musculi
tensoris tympani
Septum canalis
musculotubarii
Semicanalis tubae auditivae
Promontorium
N tympanicus
Cavitas tympani
Sinus tympani
Fig.
723
Facial nerve, N. facialis [VII], and tympanic cavity, Cavitas tympani;
vertical section along the longitudinal axis of the
petrous part of the temporal bone;
the facial canal has been opened;
anterior view.
