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form where does the facial nerve arise?
what does it comprise?
though whcih canal does it go and what does happen in there?
what branch does it give off and werhe does it synapse?
what other two branches does it give off?
though whcih foramen does it exit?
what fibres does the cauda tympani carry?
what does it comprise?
though whcih canal does it go and what does happen in there?
what branch does it give off and werhe does it synapse?
what other two branches does it give off?
though whcih foramen does it exit?
what fibres does the cauda tympani carry?
-pontomedullary angle of the brainstem
-a large motor root and a smaller sensory root – the intermediate nerve.
- the internal acoustic meatus. They enter the facial
canal in the petrous part of the temporal bone and fuse to form the facial nerve proper.
-nerve then enlarges to form the geniculate ganglion,
-gives off the greater petrosal nerve which carries preganglionic parasympathetic fibres to the pterygopalantine ganglion.
- giving off the nerve to stapedius and the chorda tympani before exiting the skull through the stylomastoid foramen,
located between the mastoid and styloid processes.
- The chorda tympani carries taste fibres
from the anterior two thirds of the tongue and preganglionic fibres destined for the
submandibular region
-a large motor root and a smaller sensory root – the intermediate nerve.
- the internal acoustic meatus. They enter the facial
canal in the petrous part of the temporal bone and fuse to form the facial nerve proper.
-nerve then enlarges to form the geniculate ganglion,
-gives off the greater petrosal nerve which carries preganglionic parasympathetic fibres to the pterygopalantine ganglion.
- giving off the nerve to stapedius and the chorda tympani before exiting the skull through the stylomastoid foramen,
located between the mastoid and styloid processes.
- The chorda tympani carries taste fibres
from the anterior two thirds of the tongue and preganglionic fibres destined for the
submandibular region
