Sagittal sinus

Sagittal sinus
A crucial large vein that goes over the top of the skull from front to back and then splits to take blood from the brain back toward the heart.

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sagittal sinus n either of two venous sinuses of the dura mater:
a) one passing backward in the convex attached superior margin of the falx cerebri and ending at the internal occipital protuberance by fusion with the transverse sinus called also superior sagittal sinus
b) one lying in the posterior two thirds of the concave free inferior margin of the falx cerebri and ending posteriorly by joining the great cerebral vein to form the straight sinus called also inferior sagittal sinus

Medical dictionary. 2011.

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Look at other dictionaries:

  • Sagittal sinus — can refer to: * Superior sagittal sinus * Inferior sagittal sinus …   Wikipedia

  • sagittal sinus — noun : either of two venous sinuses of the dura mater: a. : one passing backward in the convex attached margin of the falx cerebri and ending at the internal occipital protuberance by fusion with the transverse sinus called also superior sagittal …   Useful english dictionary

  • sagittal sinus thrombosis — sinus thrombosis in a superior sagittal sinus, which can cause stroke syndrome …   Medical dictionary

  • Superior sagittal sinus — Infobox Vein Name = Superior sagittal sinus Latin = sinus sagittalis superior GraySubject = 171 GrayPage = 654 Caption = Dural veins (Superior sagittal sinus labeled as SIN. SAGITALLIS SUP. at top.) Caption2 = Superior sagittal sinus laid open… …   Wikipedia

  • Inferior sagittal sinus — Infobox Vein Name = Inferior sagittal sinus Latin = sinus sagittalis inferior GraySubject = 171 GrayPage = 655 Caption = Dural veins (Inferior sagittal sinus labeled as SIN. SAGITTALIS INF. at upper right.) Caption2 = Dura mater and its processes …   Wikipedia

  • inferior sagittal sinus — n SAGITTAL SINUS (b) …   Medical dictionary

  • superior sagittal sinus — n SAGITTAL SINUS (a) …   Medical dictionary

  • inferior sagittal sinus — noun see sagittal sinus …   Useful english dictionary

  • superior sagittal sinus — noun see sagittal sinus …   Useful english dictionary

  • sagittal sinus inferior — s. sagittalis inferior …   Medical dictionary

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