Blood, minus all the cells and fibrin is called what?
Blood contains liquid plasma, blood cells and blood clotting factors. When we separate the blood cells from the blood, we get plasma. Plasma contains the clotting factors. We can separate plasma from the blood, if we treat the blood sample with anticoagulants.
If we don't treat the blood sample with anticoagulants, the blood will clot. And we will get a yellow colored fluid devoid of blood cells and fibrin (clotting factors). This fluid is called Serum. This is the liquid part of blood after coagulation.
So, Plasma is blood minus blood cells. And Serum is blood minus blood cells and fibrin.