Taking the first few steps towards recovering from your opiate addiction is huge. No matter how you ended up with your opiate addiction, you can always take steps to get clean. However, an important first step is to understand what to expect during your first week or two of opiate withdrawal.
With anticoagulant = plasma (still has soluble fibrinogen). Without anticoagulant = serum ( fibrinogen has been converted into insoluble fibrin in clot and is spun down with cells). Source(s): Medical Scientist. liz down under Â· 9 years ago.
The term serum also is used to designate any normal or pathological fluid that resembles serum as, for example, the fluid in a blister. Serum is a Latin word that refers to the whey, the watery liquid that separates from the curds in the process of cheesemaking.