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internal auditory; labyrinthine artery

Origin: 1) basilar artery (just proximal to vertebral artery bifurcation) 2) alternatively, may be branch of anterior inferior cerebellar artery Distribution: -> supplies membranous labyrinth of inner ear Enters the labyrinth via internal acoustic meatus. Pathology: -> occlusion (rare) results in central vertigo & deafness in corresponding ear

General

blood vessel

Properties

FORM: internal auditory; labyrinthine artery ORIGIN: basilar artery

References

  1. Grant's Atlas of Anatomy, 10th edition, AMR Agur & MJ Lee (eds), Lippincott Williams & Wilkins, Philadelphia, 1999
  2. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999
  3. Barr. the Human Nervous System. Harper & Row 2nd ed., 1974
  4. Geriatric Review Syllabus, 9th edition (GRS9) Medinal-Walpole A, Pacala JT, Porter JF (eds) American Geriatrics Society, 2016

Components

intima; tunica intima tunica media vascular endothelium