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Question 1

What are the venous sinuses of the brain?

Answer 1

Venous sinuses of the brain are channels through which deoxygenated blood from the brain is drained into the internal jugular veins.

Question 2

What is the function of venous sinuses?

Answer 2

Venous sinuses help in draining blood from the brain and reabsorbing cerebrospinal fluid (CSF) from the subarachnoid space.

Question 3

What is the superior sagittal sinus?

Answer 3

The superior sagittal sinus passes over the brain and drains into the confluence of sinuses.

Question 4

What is the inferior sagittal sinus?

Answer 4

The inferior sagittal sinus runs along the basal edge of the falx cerebri and drains into the straight sinus.

Question 5

What do the transverse sinuses drain into?

Answer 5

The transverse sinuses drain from the superior sagittal sinus and drain into the sigmoid sinuses.

Question 6

What is the straight sinus formed by?

Answer 6

The straight sinus is formed when the inferior sagittal sinus and the great cerebral vein join together.

Question 7

What veins drain the blood of the cerebellum and brainstem?

Answer 7

Blood from the cerebellum and brainstem is drained through veins such as the inferior petrosal sinus.

Question 8

What complications can occur from thrombosis of the dural sinuses?

Answer 8

Thrombosis of the dural sinuses can lead to severe complications like cerebral infarction and increased intracranial pressure.

Question 9

What symptoms can cerebral venous thrombosis cause?

Answer 9

Cerebral venous thrombosis can lead to headache, vision changes, and seizures.