- Carotid canal
Infobox Bone
Name = Carotid canal
Latin = canalis caroticus
GraySubject = 34
GrayPage = 143
Caption = Lefttemporal bone . Inferior surface. ("Opening of carotid canal" labeled at center left.)
Caption2 =
System =
MeshName =
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DorlandsPre = c_04
DorlandsSuf = 12208545
On the interior surface of thetemporal bone , behind the rough surface of the apex, is the large circular aperture of the carotid canal, which ascends at first vertically, and then, making a bend, runs horizontally forward and medialward.Contents
It transmits into the
cranium theinternal carotid artery , and thecarotid plexus of nerves.Sympathetics to the head also pass through the carotid canal. They have several motor functions: raise theeyelid (superior tarsal muscle ), dilatepupil , innervatesweat glands of face andscalp and constrictsblood vessels in head.
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* [http://bio.winona.edu/dapkus/211/Skeletal/images/Skull/inffor2.jpgPhoto at Winona.edu]
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