Accessory meningeal artery

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Artery: Accessory meningeal artery
Plan of branches of internal maxillary artery. (Accessory meningeal visible top left)
Plan of branches of internal maxillary artery
Latin ramus accessorius arteriae meningeae mediae
Gray's subject #144 561
Supplies meninges
Source maxillary artery
Dorlands/Elsevier r_02/12688628

The accessory meningeal artery (also accessory branch of middle meningeal artery, pterygomeningeal artery, small meningeal or parvidural branch) is a branch of the maxillary artery, sometimes derived from the middle meningeal artery.

Contents

It enters the skull through the foramen ovale, and supplies the semilunar ganglion and dura mater.

Only about 10% of the blood flowing through this artery reaches intracranial structures. [1]

Reflecting this fact, Terminologia Anatomica lists entries for both "accessory branch of middle meningeal artery" and "pterygomeningeal artery".[2]

  1. ^ Vitek J (1989). "Accessory meningeal artery: an anatomic misnomer.". AJNR Am J Neuroradiol 10 (3): 569-73. PMID 2501989. 
  2. ^ Federative Committee on Anatomical Termi (1998). Terminologia Anatomica: International Anatomical Terminology. Thieme Stuttgart. ISBN 3-13-114361-4. 

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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List of arteries of head and neck
Anterior: CC/EC superior thyroid (superior laryngeal) - lingual (sublingual)
facial: cervical branches (ascending palatine, tonsillar, submental, glandular) - facial branches (inferior labial, superior labial, lateral nasal, angular)
Posterior and ascending: CC/EC occipital - posterior auricular (stylomastoid) - ascending pharyngeal (meningeal branches)
Terminal, superficial temporal: CC/EC transverse facial - middle temporal (zygomaticoörbital) - anterior auricular - frontal - parietal
Terminal, maxillary: CC/EC 1st part: anterior tympanic - deep auricular - middle meningeal (superior tympanic) - accessory meningeal - inferior alveolar (mylohyoid)

2nd part: deep temporal - pterygoid branches - masseteric - buccal

3rd part: posterior superior alveolar - infraorbital (anterior superior alveolar) - descending palatine - artery of the pterygoid canal - sphenopalatine
portions #1 and 2: CC/IC cervical portion (carotid sinus) - petrous portion (Vidian, caroticotympanic)
cavernous portion/ophthalmic: CC/IC orbital group: lacrimal (lateral palpebral) - supraorbital - posterior ethmoidal - anterior ethmoidal - medial palpebral - supratrochlear - dorsal nasal
ocular group: central retinal - ciliary (short posterior, long posterior, anterior) - superior hypophysial - inferior hypophysial
cerebral portion: CC/IC ACA - anterior communicating - MCA (anterolateral central) - posterior communicating - anterior choroidal - circle of Willis
vertebral artery: SC meningeal branches - posterior spinal - anterior spinal - PICA - basilar (pontine, labyrinthine, AICA, SCA, PCA)
thyrocervical trunk: SC inferior thyroid (inferior laryngeal, tracheal, esophageal, ascending cervical) - suprascapular - transverse cervical - dorsal scapular
Retrieved from "http://en.wikipedia.org/wiki/Accessory_meningeal_artery"
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