| Stylomastoid artery | |
|---|---|
 The arteries of the face and scalp. | |
| Details | |
| Source | Posterior auricular artery |
| Supplies | Tympanic cavity, tympanic antrum, mastoid cells, semicircular canals |
| Identifiers | |
| Latin | arteria stylomastoidea |
| TA98 | A12.2.05.038 |
| TA2 | 4406 |
| FMA | 49628 |
| Anatomical terminology | |
The stylomastoid artery enters the stylomastoid foramen and supplies the tympanic cavity, the tympanic antrum and mastoid cells, and the semicircular canals. It is a branch of the posterior auricular artery, and thus part of the external carotid arterial system.
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.
YouTube Encyclopedic
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Temporal Bone - Stylomastoid foramen
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External Carotid Artery (Side branches + Mnemonics)
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Facial nerve lesion outside stylomastoid foramen, Bells palsy
Transcription
References
This article incorporates text in the public domain from page 557 of the 20th edition of Gray's Anatomy (1918)
External links
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This page was last edited on 18 May 2024, at 16:44