Basilar artery

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Artery: Basilar artery
The basilar artery (middle of figure) arises from the vertebral arteries and terminates when it bifurcates in the left and right posterior cerebral arteries.
Latin	arteria basilaris
Gray's	subject #148 580
Source	vertebral arteries
MeSH	Basilar+Artery

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Evidence Based Medicine
Cochrane Collaboration on Basilar artery Bandolier on Basilar artery TRIP on Basilar artery
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Ongoing Trials on Basilar artery at Clinical Trials.gov Trial results on Basilar artery Clinical Trials on Basilar artery at Google
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In human anatomy, the basilar artery is one of the arteries that supplies the brain with oxygen-rich blood.

Course

It arises from the confluence of the two vertebral arteries at the junction between the medulla oblongata and the pons.

It ascends in the central gutter (sulcus basilaris) inferior to the pons and divides into the posterior cerebral arteries and the superior cerebellar artery just inferior to the pituitary stalk.

From the basilar artery arises the superior inferior cerebellar artery (supplying the superior and inferior aspects of the cerebellum), as well as smaller branches for the supply of the pons (the pontine branches).

Pathology

Thrombosis of the basilar artery can be life-threatening, as it leads to hypoxia and ischemia of the brainstem.

Poor prognoses are common and these can include paralysis of all extremities, heavy disturbances in sensation, difficulty in swallowing and difficulty in respiration.

Additional images

cr = Arteria cerebri rostralis, cm = Arteria cerebri media, ma = Arteria maxillaris, RZ = Retezuflüsse, ci = Arteria carotis interna, rm = Rete mirabile, ba = Arteria basilaris	The internal carotid and vertebral arteries. Right side.	The arteries of the base of the brain.	Medulla oblongata and pons. Anterior surface.
The hypophysis cerebri, in position. Shown in sagittal section.	Cerebral angiogram showing the transverse projection of the vertebro-basilar and posterior cerebral circulation.

External links

• Diagram at merck.com
• SUNY Labs 28:09-0204 - "Cranial Fossae: Arteries, Inferior Surface of the Brain"
• Blood supply at neuropat.dote.hu
• Roche Lexicon - illustrated navigator, at Elsevier 13048.000-1
• Roche Lexicon - illustrated navigator, at Elsevier 13048.000-3

v • d • e List of arteries of head and neck
CC/EC	sup. thyroid superior laryngeal - sternocleidomastoid branch - infrahyoid branch - cricothyroid branch - glandular branches asc. pharyngeal posterior meningeal - pharyngeal branches - inferior tympanic lingual suprahyoid - dorsal lingual - deep lingual - sublingual facial cervical branches (ascending palatine, tonsillar, submental, glandular) - facial branches (inferior labial, superior labial/nasal septum, lateral nasal, angular) occipital sternocleidomastoid - meningeal - occipital - auricular - descending post. auricular stylomastoid - stapedial - auricular - occipital sup. temporal transverse facial - middle temporal (zygomatico-orbital) - anterior auricular - frontal - parietal maxillary 1st part/mandibular: anterior tympanic - deep auricular - middle meningeal (superior tympanic, petrosal) - accessory meningeal - inferior alveolar (mental, mylohyoid) 2nd part/pterygoid: to muscles of mastication (deep temporal, pterygoid, masseteric) - buccal 3rd part/pterygopalatine: posterior superior alveolar - infraorbital (anterior superior alveolar) - descending palatine (greater palatine, lesser palatine) - artery of the pterygoid canal - sphenopalatine (posterior septal branches, posterior lateral nasal)
CC/IC	cervical carotid sinus petrous Vidian - caroticotympanic cavernous/ ophthalmic orbital group: posterior ethmoidal - anterior ethmoidal (anterior septal, anterior lateral nasal, anterior meningeal) - lacrimal (lateral palpebral) - medial palpebral - terminal (supraorbital, supratrochlear, dorsal nasal) ocular group: central retinal - ciliary (short posterior, long posterior, anterior) - hypophysial (superior, inferior) cerebral/Willis ACA (anterior communicating) - MCA (anterolateral central, lenticulostriate) - posterior communicating - anterior choroidal
SC	vertebral artery meningeal - spinal (posterior, anterior) - cerebellar (PICA) basilar: pontine - labyrinthine - cerebellar (AICA, SCA) - cerebral (PCA) thyrocervical trunk inferior thyroid: inferior laryngeal - tracheal - esophageal - ascending cervical - pharyngeal - glandular branches transverse cervical: superficial branch - deep branch/dorsal scapular suprascapular: acromial branch costocervical trunk deep cervical

v • d • e WikiDoc Research Resources for Basilar artery
Articles on Basilar artery	Most recent articles on Basilar artery • Most cited articles on Basilar artery • Review articles on Basilar artery • Articles on Basilar artery in N Eng J Med, Lancet, BMJ
Media (Slides, Video, Images, MP3) on Basilar artery	Powerpoint slides on Basilar artery • Images of Basilar artery • Photos of Basilar artery • Podcasts & MP3s on Basilar artery • Videos on Basilar artery
Evidence Based Medicine Regarding Basilar artery	Cochrane Collaboration on Basilar artery • Bandolier on Basilar artery • TRIP on Basilar artery
Cost Effectiveness of Basilar artery	Cost Effectiveness of Basilar artery
Clinical Trials Involving Basilar artery	Ongoing Trials on Basilar artery at Clinical Trials.gov • Trial results on Basilar artery • Clinical Trials on Basilar artery at Google
Guidelines / Policies / Government Resources (FDA/CDC) Regarding Basilar artery	US National Guidelines Clearinghouse on Basilar artery • NICE Guidance on Basilar artery • NHS PRODIGY Guidance • FDA on Basilar artery • CDC on Basilar artery
Textbook Information on Basilar artery	Books and Textbook Information on Basilar artery
Pharmacology Resources on Basilar artery	Dosing of Basilar artery • Drug interactions with Basilar artery • Side effects of Basilar artery • Allergic reactions to Basilar artery • Overdose information on Basilar artery • Carcinogenicity information on Basilar artery • Basilar artery in pregnancy • Pharmacokinetics of Basilar artery •
Genetics, Pharmacogenomics, and Proteinomics of Basilar artery	Genetics of Basilar artery • Pharmacogenomics of Basilar artery • Proteomics of Basilar artery
Newstories on Basilar artery	Basilar artery in the news • Be alerted to news on Basilar artery • News trends on Basilar artery
Commentary on Basilar artery	Blogs on Basilar artery
Patient Resources on Basilar artery	Patient resources on Basilar artery • Discussion groups on Basilar artery • Patient Handouts on Basilar artery • Directions to Hospitals Treating Basilar artery • Risk calculators and risk factors for Basilar artery
Healthcare Provider Resources on Basilar artery	Symptoms of Basilar artery • Causes & Risk Factors for Basilar artery • Diagnostic studies for Basilar artery • Treatment of Basilar artery
Continuing Medical Education (CME) Programs on Basilar artery	CME Programs on Basilar artery
International Resources on Basilar artery	Basilar artery en Espanol • Basilar artery en Francais
Business Resources on Basilar artery	Basilar artery in the Marketplace • Patents on Basilar artery
Informatics Resources on Basilar artery	List of terms related to Basilar artery

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .