dural sinusOur editors are putting together more complete content — check back in about 20 minutesdural sinusdural sinus — noun名詞1. a large channel in the dura mater that drains deoxygenated blood from the brain1.名詞釋義a large channel in the dura mater that drains deoxygenated blood from the brain例句A blood clot in the dural sinus can cause a stroke.