The posterior meningeal artery is the largest vessel supplying the dura region of the posterior fossa. It typically arises from the
ascending pharyngeal artery
The ascending pharyngeal artery is an artery in the neck that supplies the pharynx, developing from the proximal part of the embryonic second aortic arch.
It is the smallest branch of the external carotid and is a long, slender vessel, deeply sea ...
although other origins have been seen, such as the occipital artery. The artery or its branches enter the cranium through
jugular foramen
A jugular foramen is one of the two (left and right) large foramina (openings) in the base of the skull, located behind the carotid canal. It is formed by the temporal bone and the occipital bone. It allows many structures to pass, including the i ...
,
foramen magnum
The foramen magnum ( la, great hole) is a large, oval-shaped opening in the occipital bone of the skull. It is one of the several oval or circular openings (foramina) in the base of the skull. The spinal cord, an extension of the medulla oblon ...
or
hypoglossal canal
The hypoglossal canal is a foramen in the occipital bone of the skull. It is hidden medially and superiorly to each occipital condyle. It transmits the hypoglossal nerve.
Structure
The hypoglossal canal lies in the epiphyseal junction between ...
.
[Diagnostic Cerebral Angiography, 2nd edition, Anne G. Osborn]
See also
*
Meninges
In anatomy, the meninges (, ''singular:'' meninx ( or ), ) are the three membranes that envelop the brain and spinal cord. In mammals, the meninges are the dura mater, the arachnoid mater, and the pia mater. Cerebrospinal fluid is located in th ...
References
* Diagnostic Cerebral Angiography, 2nd edition, Anne G. Osborn
Arteries of the head and neck
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