What is meant by confluence of sinus?
The confluence of sinuses (torcular herophili, or torcula) is the connecting point of the superior sagittal sinus, straight sinus, and occipital sinus. It is found deep to the occipital protuberance of the skull. Blood arriving at this point then proceeds to drain into the left and right transverse sinuses.
What does the superior sagittal sinus do?
Function. The purpose of the superior sagittal sinus is to carry waste and fluids away from the brain as veins do throughout the rest of the body.
Which of the following drain away from the confluence of sinuses?
transverse sinuses
It is found deep to the occipital protuberance of the skull….
| Confluence of sinuses | |
|---|---|
| Source | superior sagittal sinus, straight sinus, occipital sinus |
| Drains to | transverse sinuses |
| Identifiers | |
| Latin | confluens sinuum, torcula herophili |
Do dural venous sinuses lack valves?
Unlike other blood vessels, dural venous sinuses lack valves and other vessel associated layers. Large endothelium-lined venous channels situated between the two layers of DURA MATER, the endosteal and the meningeal layers. They are devoid of valves and are parts of the venous system of dura mater.
Can you get a blood clot in your sinuses?
In cavernous sinus thrombosis, a blood clot develops in the sinuses behind your eyes or at the bottom of your skull after an infection. The clot is meant to prevent the infection from spreading, but it often blocks the blood flow out of your brain.
Where are the brains venous sinuses?
Venous sinus, in human anatomy, any of the channels of a branching complex sinus network that lies between layers of the dura mater, the outermost covering of the brain, and functions to collect oxygen-depleted blood. Unlike veins, these sinuses possess no muscular coat.