Stylomastoid foramen
3989836
200270347
2008-03-23T10:06:17Z
Shunju-kun
6329475
{{Infobox Bone |
Name = Stylomastoid foramen |
Latin = foramen stylomastoideum |
GraySubject = 34 |
GrayPage = 144 |
Image = Stylomastoid foramen.png |
Caption = [[Base of skull]]. Inferior surface. Pink region is temporal bone, and stylomastoid foramen is in black circle at center of pink region. |
Image2 = Gray141.png |
Caption2 = Left [[temporal bone]]. Inferior surface. (Stylomastoid foramen is third label from the bottom on the left.) |
System = |
MeshName = |
MeshNumber = |
DorlandsPre = f_12 |
DorlandsSuf = 12373728 |
}}
Between the [[styloid process (temporal)|styloid]] and [[mastoid portion of the temporal bone|mastoid]] processes of the [[temporal bone]] is the '''stylomastoid foramen'''
It is the termination of the [[facial canal]], and transmits the [[facial nerve]] and [[stylomastoid artery]].
== Clinical Relevance ==
[[Bell's palsy]] can result from inflammation of the [[facial nerve]] where it leaves the skull at the stylomastoid foramen. Patients with Bell's palsy appear with facial drooping on the affected side.
==Additional images==
<gallery>
Image:Facial canal.png|Facial canal
</gallery>
==External links==
* {{SUNYAnatomyFigs|22|4a|07}}
* {{SUNYAnatomyLabs|22|os|07|08}}
* {{eMedicineDictionary|Stylomastoid+foramen}}
* {{RocheLexicon|34257.000-1}}
* {{NormanAnatomy|lesson3}} ({{NormanAnatomyFig|midearcavity}})
* [http://patientsforum.com/FacialNerve.htm Diagram at patientsforum.com]
{{Gray's}}
[[Category:Foramina of the skull]]
{{musculoskeletal-stub}}
{{Skull}}
{{Foramina of skull}}
[[hu:Foramen stylomastoideum]]
[[ja:茎乳突孔]]