https://wikimd.org/index.php?action=history&feed=atom&title=Labyrinthine_arteryLabyrinthine artery - Revision history2026-04-25T20:32:33ZRevision history for this page on the wikiMediaWiki 1.44.2https://wikimd.org/index.php?title=Labyrinthine_artery&diff=5806041&oldid=prevPrab: CSV import2024-05-22T15:39:15Z<p>CSV import</p>
<p><b>New page</b></p><div>[[File:Circle_of_Willis_en.svg|thumb|Circle_of_Willis_en.svg]] '''Labyrinthine artery'''<br />
<br />
The '''labyrinthine artery''', also known as the '''internal auditory artery''', is a crucial blood vessel that supplies the inner ear. It typically branches off from the [[anterior inferior cerebellar artery]] (AICA) or, less commonly, directly from the [[basilar artery]].<br />
<br />
==Anatomy==<br />
The labyrinthine artery enters the internal acoustic meatus alongside the [[vestibulocochlear nerve]] (CN VIII) and the [[facial nerve]] (CN VII). Within the internal acoustic meatus, it divides into two main branches: the '''cochlear branch''' and the '''vestibular branch'''.<br />
<br />
===Cochlear Branch===<br />
The cochlear branch supplies blood to the [[cochlea]], which is essential for the sense of hearing. The cochlea is a spiral-shaped organ that converts sound waves into nerve impulses.<br />
<br />
===Vestibular Branch===<br />
The vestibular branch supplies the [[vestibular apparatus]], which includes the [[semicircular canals]], the [[utricle]], and the [[saccule]]. These structures are vital for maintaining balance and spatial orientation.<br />
<br />
==Clinical Significance==<br />
The labyrinthine artery is of significant clinical importance due to its role in supplying the inner ear. Occlusion or damage to this artery can lead to [[sensorineural hearing loss]] and [[vertigo]]. Conditions such as [[labyrinthitis]] and [[Meniere's disease]] can also be associated with compromised blood flow in the labyrinthine artery.<br />
<br />
==Related Structures==<br />
* [[Anterior inferior cerebellar artery]]<br />
* [[Basilar artery]]<br />
* [[Vestibulocochlear nerve]]<br />
* [[Facial nerve]]<br />
* [[Cochlea]]<br />
* [[Vestibular apparatus]]<br />
<br />
==See Also==<br />
* [[Inner ear]]<br />
* [[Hearing]]<br />
* [[Balance (ability)]]<br />
<br />
==References==<br />
{{Reflist}}<br />
<br />
==External Links==<br />
{{Commons category|Labyrinthine artery}}<br />
<br />
[[Category:Arteries of the head and neck]]<br />
[[Category:Otorhinolaryngology]]<br />
[[Category:Neuroanatomy]]<br />
<br />
{{medicine-stub}}</div>Prab