Inferior sagittal sinus

Vein: Inferior sagittal sinus

Dural veins (Inferior sagittal sinus labeled as "SIN. SAGITTALIS INF." at upper right.)

Dura mater and its processes exposed by removing part of the right half of the skull, and the brain. (Inferior sagittal sinus visible as blue line at center.)
Latin	sinus sagittalis inferior
Gray's	subject #171 655
Drains to	straight sinus
MeSH	Cranial+Sinuses
Dorlands/Elsevier	s_12/12739202

The inferior sagittal sinus (also known by the alternate term inferior longitudinal sinus), within the human head, is an area beneath the brain, which allows blood veins to span the area, from the center of the head towards the back. It drains (from the center of the brain) to the straight sinus (at the back of the head), then to the transverse sinuses. See diagram (at right): labeled in the brain as "SIN. SAGITTALIS INF." (for Latin: sinus sagittalis inferior).

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The inferior sagittal sinus courses along the inferior border of the falx cerebri, superior to the corpus callosum.

It receives blood from the deep and medial aspects of the cerebral hemispheres and drains into the straight sinus.

Additional images

References

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Veins of head and neck
head and face	common facial • facial (frontal, supraorbital, angular, superior labial, inferior labial, deep facial) • pterygoid plexus retromandibular (maxillary) • superficial temporal (anterior auricular) • posterior auricular occipital • suboccipital venous plexus
neck	internal jugular: lingual • pharyngeal • superior thyroid • middle thyroid other jugular veins: external • anterior • arch vertebral (deep cervical)
diploic/brain	cerebral: superior • middle • inferior • great • internal (basal) cerebellar: superior • inferior
sinuses of the dura mater	sigmoid • transverse (petrosquamous) confluence: superior sagittal • straight (inferior sagittal) • occipital cavernous (sphenoparietal) • inferior petrosal (basilar plexus) • intercavernous • superior petrosal • emissary
ophthalmic	superior ophthalmic • central retinal • nasofrontal • inferior ophthalmic • vorticose veins
internal auditory veins