ARTERIA CEREBELOSA ANTEROINFERIOR PDF
Introduction A retrosigmoid suboccipital approach is the route most commonly utilized to resect vestibular schwannomas (VS). However, the anterior inferior. un bucle de la arteria cerebelosa anteroinferior (AICA) a nivel del meato auditivo interno entre el 7o y 8o nervio craneal. La descripción técnica es detallada e. The anterior inferior cerebellar artery (AICA) is one of three vessels that provides arterial blood supply to the cerebellum. It has a variable origin, course and.
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The anterior inferior cerebellar artery AICA is one of three pairs of arteries that supplies blood to the cerebellum.
It arises from the basilar artery on each side at the level of the junction between the medulla oblongata and the pons in the brainstem. It has a variable course, passing backward to be distributed to the anterior part of the undersurface of the cerebellum, anastomosing with both the posterior inferior cerebellar PICA branch of the vertebral artery and the superior cerebellar artery.
Anterior inferior cerebellar artery
It also gives off the internal auditory or labyrinthine artery in most cases; however, nateroinferior labyrinthine artery can less commonly emerge as a branch of the basilar artery. The amount of tissue supplied by the AICA is variable, depending upon whether the PICA is more or less dominant, but usually includes the anteroinferior surface of the cerebellum, the flocculus, middle cerebellar peduncle and inferolateral portion of the pons.
The symptoms include sudden onset of vertigo and vomiting, nystagmusdysarthria, falling to the side of the lesion due to damage to vestibular nucleiand a variety of ipsilateral features including hemiataxia, loss of all modalities of sensation of the face due to damage to the principal sensory trigeminal nucleusfacial paralysis due to damage to the facial nucleusand hearing loss and tinnitus due to damage to the cochlear nuclei. From Wikipedia, the free encyclopedia.
Anterior inferior cerebellar artery The three major arteries of the cerebellum: Retrieved 31 May Ann R Coll Surg Engl. Fortschr Neurol Psychiatr in German. No To Shinkei in Japanese. antefoinferior
Anterior inferior cerebellar artery | Radiology Reference Article |
Arteries of the head and neck. Circle of Willis ACA anterior communicatingRecurrent artery of HeubnerOrbitofrontal artery MCA anterolateral centralPrefrontal arterySuperior terminal branchInferior terminal branchAnterior temporal branch posterior communicating anterior choroidal.
Retrieved from ” https: Wikipedia articles incorporating text from the 20th edition of Gray’s Anatomy Cersbelosa of the head and neck. Views Read Edit View history. This page was last edited on 21 Decemberat By using this site, you agree to the Terms of Use and Privacy Policy.
The three major arteries of the cerebellum: Diagram of the arterial circulation at the base of the brain AICA labeled at lower right. Anteroinferior surface of the cerebellumthe flocculus, middle cerebellar peduncle and inferolateral portion of the pons.
Anatomical terminology [ edit on Wikidata ].