Sinus transversus

The video tutorial explains the anatomy and function of brain sinuses, focusing on the transversus sinuses. It describes how these sinuses conduct venous blood from the brain to the internal jugular vein, highlighting their unique structure and differences from peripheral veins. The tutorial also details the pathway of the transversus sinus, its connections, and the confluence of various brain sinuses.

What is a key structural difference between brain sinuses and peripheral veins?

• Brain sinuses have valves to prevent backflow.

• Brain sinuses are accompanied by arteries of the same name.

• Brain sinuses are located outside the skull.

• Brain sinuses are lined with endothelium and lack valves.

Where does the transversus sinus run in relation to the occipital bone?

• In a groove on the inside of the occipital bone.

• Along the outer surface of the occipital bone.

• Below the occipital bone.

• Above the occipital bone.

Which sinuses converge at the confluence of sinuses?

• Transversus sinus, sigmoid sinus, and jugular vein.

• Inferior celebrity vein, ano vein, and flap vein.

• Cerebral vein, cerebellar vein, and occipital vein.

• Superior sagittal sinus, rectus sinus, and occipital sinus.

What additional venous inflows does the transversus sinus receive?

• Inferior celebrity vein and ano vein.

• Cerebral vein and cerebellar vein.

• Superior sagittal sinus and rectus sinus.

• Jugular vein and sigmoid sinus.

Into which vein does the sigmoid sinus drain the venous blood?

• Occipital vein.

• External jugular vein.

• Superior sagittal sinus.

• Internal jugular vein.