Stylomastoid foramen

Stylomastoid foramen

Infobox Bone
Name = Stylomastoid foramen
Latin = foramen stylomastoideum
GraySubject = 34
GrayPage = 144


Caption = Base of skull. Inferior surface. Pink region is temporal bone, and stylomastoid foramen is in black circle at center of pink region.


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 and 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

External links

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* (NormanAnatomyFig|midearcavity)
* [http://patientsforum.com/FacialNerve.htm Diagram at patientsforum.com]


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Look at other dictionaries:

  • stylomastoid foramen — sty·lo·mas·toid foramen mas .tȯid n a foramen that occurs on the lower surface of the temporal bone between the styloid and mastoid processes and that forms the termination of the facial canal * * * foramen stylomastoideum [TA] a foramen on the… …   Medical dictionary

  • Foramen magnum — Bone: Foramen magnum Occipital bone. Inner surface. Gray s subject #31 129 …   Wikipedia

  • stylomastoid — “+ adjective Etymology: styl (II) + mastoid 1. : of, relating to, or being a foramen that occurs on the lower surface of the temporal bone between the styloid and mastoid processes and forms the termination of the facial canal 2. : of or… …   Useful english dictionary

  • Stylomastoid artery — Infobox Artery Name = PAGENAME Latin = arteria stylomastoidea GraySubject = 144 GrayPage = 557 Caption = The arteries of the face and scalp. Caption2 = BranchFrom = posterior auricular artery BranchTo = Vein = Supplies = tympanic cavity, tympanic …   Wikipedia

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary

  • stylomastoid — Relating to the styloid and the mastoid processes of the temporal bone; denoting especially a small artery and a foramen. * * * sty·lo·mas·toid (sti″lo masґtoid) pertaining to the styloid process of the temporal bone and the mastoid process …   Medical dictionary

  • Mastoid foramen — Bone: Mastoid foramen Left temporal bone. Inner surface. (Mastoid foramen labeled at bottom left.) …   Wikipedia

  • Mental foramen — Bone: Mental foramen Mandible. Outer surface. Side view. (Mental foramen visible at left.) Latin foramen mentale Gray s …   Wikipedia

  • Mandibular foramen — Bone: Mandibular foramen Mandible. Inner surface. Side view. (Mandibular foramen visible at left.) Latin foramen mandibulae Gray s …   Wikipedia

  • Кости головы (череп) — …   Атлас анатомии человека

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