Straight sinus

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Vein: Straight sinus
Dural veins (Straight sinus labeled as 'SIN. RECTUS' at center right.)
Dura mater and its processes exposed by removing part of the right half of the skull, and the brain. (Straight sinus visible as blue line at center left.)
Latin sinus rectus
Gray's subject #171 655
Source inferior sagittal sinus, great cerebral vein
Drains to confluence of sinuses
MeSH Cranial+Sinuses
/ Elsevier

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The straight sinus (tentorial sinus) is situated along the junction of the falx cerebri and the tentorium cerebelli.

It forms from the confluence of the inferior sagittal sinus and great cerebral vein (great vein of Galen). In cross-section it is triangular, contains a few transverse bands across its interior, and increases in size as it proceeds backward. It receives the superior cerebellar veins.

The terminal part of the straight sinus drains into the confluence of the sinuses.

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