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32
list the blood suppply of the internal ear. the bony labyrinth is suppplied by what three branches?
membranous labyrinth?
with which two nerves does it enter the acoustic meatus?
to what three brancehs does it give reise to and what do tehy supply?
membranous labyrinth?
with which two nerves does it enter the acoustic meatus?
to what three brancehs does it give reise to and what do tehy supply?
1 anterior tympanic branch of the maxillary
artery,
2 a stylomastoid branch of the posterior auricular artery
3 petrosal branch of the middle meningeal artery.
1 labyrinthine artery, which may be a branch of the
anterior inferior cerebellar artery,
It enters the internal acoustic meatus with the facial (VII) and glossopharyngeal (IX) nerves
1 cochlear branch,
2,3 vestibular branches, which
supply the vestibular apparatus.
artery,
2 a stylomastoid branch of the posterior auricular artery
3 petrosal branch of the middle meningeal artery.
1 labyrinthine artery, which may be a branch of the
anterior inferior cerebellar artery,
It enters the internal acoustic meatus with the facial (VII) and glossopharyngeal (IX) nerves
1 cochlear branch,
2,3 vestibular branches, which
supply the vestibular apparatus.