Abnormalcerebral venous drainage

English (en)

Abnormalcerebral venous drainage
Blood is drained from the brain 
through a network of veins & 
venous sinuses (‘lakes’). 

Much of the blood eventually 
drains into the jugular veins.

Blockage of a jugular vein, 
for example because of thrombosis
after previous cannulation, 
results in blood finding
alternative pathways.