Sigmoid sulcus

Sigmoid sulcus

Infobox Bone
Name = Sigmoid sulcus
Latin = sulcus sinus sigmoidei ossis temporalis
GraySubject = 34
GrayPage = 142



Caption = Left temporal bone. Inner surface. (Sigmoid sulcus visible at center left.)



Caption2 = Base of the skull. Upper surface. (Sigmoid sulcus not labeled, but is visible near mastoid foramen.)
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DorlandsPre = s_28
DorlandsSuf = 12769850
The inner surface of the mastoid portion of the temporal bone presents a deep, curved groove, the sigmoid sulcus, which lodges part of the transverse sinus; in it may be seen the opening of the mastoid foramen.

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