The increased pressure increases the resistance to blood flowing down the jugularveins, and insufficient valves may allow deoxygenated blood to push back up the neck.
Six weeks in, all the rats underwent surgery to implant a drug-injection catheter in their jugularveins.
六个星期以后，所有的小鼠都被开了刀，在颈动脉植入药物注射导管。
3
Objective to explore the size of internal jugularveins (IJV) and relating influential factors in patients with severe multiple trauma so as to guide successful catheterization of central veins.