A typical prokaryotic cell might contain the following parts: 1  cell wall. 2  plasma membrane. 3  cytoplasm. 4  flagella and pili.
The same is done with the jugular drain tube. A hose is attached to the drain tube, and the hose from the embalming machine is connected to the arterial tube. Drainage can also be achieved by keeping the vein open using angle forceps. Many embalmers prefer this as it allows clots and blockages to be more easily flushed from the vascular system.
Clear Ear Drainage. Clear or blood-tinged ear drainage can also be caused by skin problems in the ear, such as eczema or swimmer's ear. In this case, the ear drainage is the result of a weeping wound and should resolve within a few days. In rare instances, clear ear drainage can be the result of a cerebral spinal fluid (CSF) leak.