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Updated: May 31, 2025

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve
Published on: March 18, 2013
Angiosome Territories of Vestibulocochlear Nerve (VIII)
Deepthi Simhadri1, Haritha Kanne2, Upendra Mallela3
1Kamineni Academy of Medical Sciences and Research Centre, Hyderabad, Telangana, India.
Background:
Taylor and Palmer introduced an angiosome (vascular) concept in reconstructive plastic surgery in 1987. The angiosome is considered a segment of a nerve (cranial or peripheral nerve) supplied by a primary source of blood vessels.
Purpose:
To observe the arteries supplying the vestibulocochlear nerves (VIII) from the brainstem till their termination. To analyse the neurovascular relationship of the vestibulocochlear nerve.
Methods:
In total, 45 formalin-fixed cadaveric heads with the base of the skull were studied by dissection and histological methods.
Results:
At the level of the pontomedullary junction, it is supplied by the anterior inferior cerebellar artery; within the internal acoustic canal, the cochlear nerve is provided by the cochlear artery, the vestibular nerve is supplied by a vestibular artery, which is the fine branch of the labyrinthine artery.
Conclusion:
Their vascular supply influences the functioning of nerves. The labyrinthine artery is a thin, slender end artery, making it more vulnerable to circulatory disturbances.
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