| Medical Dictionary: sty·lo·mas·toid artery |
An artery with origin in the posterior auricular artery, with distribution to the external ear, mastoid cells, semicircular canals, stapedius muscle, and vestibule, and with anastomoses to the tympanic branches of the internal carotid and the ascending pharyngeal arteries, and to the auditory branch of the basilar artery.
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| Wikipedia: Stylomastoid artery |
| Artery: Stylomastoid artery | |
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| The arteries of the face and scalp. | |
| Latin | arteria stylomastoidea |
| Gray's | subject #144 557 |
| Supplies | tympanic cavity, tympanic antrum, mastoid cells, semicircular canals |
| Source | posterior auricular artery |
The stylomastoid artery enters the stylomastoid foramen and supplies the tympanic cavity, the tympanic antrum and mastoid cells, and the semicircular canals.
In the young subject a branch from this vessel forms, with the anterior tympanic artery from the internal maxillary, a vascular circle, which surrounds the tympanic membrane, and from which delicate vessels ramify on that membrane.
It anastomoses with the superficial petrosal branch of the middle meningeal artery by a twig which enters the hiatus canalis facialis.
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 As such, some of the information contained herein may be outdated.
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 | foramen |
| Tympanic cavity |
| Posterior semicircular canal |
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 | Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Stylomastoid artery". Read more |
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