See Also: groove for sigmoid sinus(medicine)
sigmoid groove(medicine)
sigmoid sinus(medicine)
groove for transverse sinus(medicine)
groove for inferior petrosal sinus(medicine)
groove for superior sagittal sinus(medicine)
groove for superior petrosal sinus(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Sigmoid(medicine)
sigmoid(dictionary)

groove for sigmoid sinus (medicine)


groove for sigmoid sinus


A broad groove in the posterior cranial fossa, first situated on the lateral portion of the occipital bone, then curving around the jugular process on to the mastoid portion of the temporal bone, and finally turning sharply on the posterior inferior angle of the parietal bone and becoming continuous with the transverse groove; it lodges the transverse sinus.

Synonym: sulcus sinus sigmoidei, sigmoid fossa, sigmoid groove, sigmoid sulcus.