Accessory meningeal artery

Accessory meningeal artery
Plan of branches of maxillary artery (accessory meningeal visible top left)
Plan of branches of maxillary artery
Details
Source	Maxillary artery
Supplies	Meninges
Identifiers
Latin	Ramus accessorius arteriae meningeae mediae
TA	A12.2.05.062
FMA	49715
*Anatomical terminology* [edit on Wikidata]

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.

Course

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

Nomenclature

Only about 10% of the blood flowing through this artery reaches intracranial structures.^[1] The remaining blood flow is dispersed to extracranial structures around the infratemporal fossa.

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

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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

External links

Dilenge D, Géraud G (1976). "Accessory meningeal artery.". Acta Radiol Suppl. 347: 63–9. PMID 207149.
lesson4 at The Anatomy Lesson by Wesley Norman (Georgetown University) (infratempfossaart)

Arteries of the head and neck

cervical branches (ascending palatine, tonsillar, submental, glandular)
facial branches (inferior labial
superior labial / nasal septum
lateral nasal
angular)

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) pharyngeal

cervical	carotid sinus

petrous	Vidian caroticotympanic

cavernous/ ophthalmic	orbital group:anterior ethmoidal posterior ethmoidal lacrimal (lateral palpebral) medial palpebral terminal (supraorbital, supratrochlear, dorsal nasal) ocular group: central retinal ciliary (short posterior, long posterior, anterior) Circulus arteriosus major hypophysial (superior, inferior)

Brain	Circle of Willis ACA (anterior communicating, medial striate, Orbitofrontal artery) MCA (anterolateral central, Prefrontal artery, Superior terminal branch, Inferior terminal branch, Anterior temporal branch) posterior communicating anterior choroidal

vertebral artery

meningeal
spinal (posterior, anterior)
basilar: pontine
labyrinthine
cerebellar (AICA, SCA, PICA)
cerebral (PCA)

thyrocervical trunk

inferior thyroid	inferior laryngeal tracheal esophageal ascending cervical pharyngeal glandular branches

transverse cervical	superficial branch deep branch / dorsal scapular scapular anastomosis

suprascapular	acromial branch scapular anastomosis

costocervical trunk

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