Question

The confluence of sinuses drain into which sinuses?

1) Transverse sinuses
2) Sigmoid sinuses
3) Superior sagittal sinus
4) Inferior sagittal sinus

Answer 1

The confluence of sinuses drains into the transverse sinuses, which connect to the sigmoid sinuses and ultimately lead to the jugular veins.

Step-by-step explanation:

The confluence of sinuses drains into the transverse sinuses. The superior sagittal sinus runs in the groove of the longitudinal fissure, where it absorbs CSF from the meninges. It drains into the confluence of sinuses, along with the occipital sinuses and straight sinus, and it then drains into the transverse sinuses. The transverse sinuses connect to the sigmoid sinuses, which then connect to the jugular veins. From there, the blood continues toward the heart to be pumped to the lungs for reoxygenation.