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
Dorlands / Elsevier	s_12/12739157

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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.

Additional images

Tentorium cerebelli from above.

See also

• Dural venous sinuses

External links

• Straight+sinus at eMedicine Dictionary

v • d • e Veins (emissary, jugular and others) and sinuses of head and neck (drainage patterns can vary)
to external jugular	retromandibular: maxillary • superficial temporal (anterior auricular) posterior auricular transverse cervical - suprascapular - anterior jugular (jugular venous arch)
to internal jugular	Diploic/brain cerebral: superior • middle • inferior • great • internal (basal, superior thalamostriate) cerebellar: superior • inferior To COS: superior sagittal • straight (inferior sagittal) • occipital To CS: sphenoparietal • intercavernous superior ophthalmic (ethmoidal, central retinal, nasofrontal) • inferior ophthalmic • vorticose veins To IJV: sigmoid: transverse (petrosquamous) • superior petrosal inferior petrosal (basilar plexus, internal auditory veins) - condylar Other common facial • facial (frontal, supraorbital, angular, superior labial, inferior labial, deep facial) • pterygoid plexus lingual (dorsal lingual, deep lingual, sublingual) • pharyngeal • thyroid (superior/superior laryngeal, middle)
to vertebral vein	occipital (occipital)  • suboccipital venous plexus deep cervical
to brachiocephalic	inferior thyroid (inferior laryngeal) - thymic

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .