Blood Vessels of the Membranous Labyrinth

Arterial blood is supplied to the membranous labyrinth by the labyrinthine artery; venous blood drainage is to the venous dural sinuses

The blood supply to the external ear, middle ear, and bony labyrinth of the internal ear is derived from vessels associated with the external carotid arteries. The arterial superior part of vestibular nerve inferior part of vestibular nerve internal acoustic meatus

Vessels Inner Ear

spiral ganglion cochlear nerve vestibular ganglion (of Scarpa)

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