Blood lacking corpuscles and fibrinogen are called serum.
The serum is the fluid part of the blood and does not contain a clotting agent.
- The fluid or undiluted part of the blood, obtained after the complete coagulation of the blood, without adding an anticoagulating agent.
- The serum is obtained through the process of spinning blood after clotting. However, the serum is harder to separate.
- The serum contains the remaining part of blood, which is less than the plasma.
- Antibodies, antigens, hormones, electrolytes and proteins are present in serum.
- The serum also contains antibodies to cross-react with the recipient antigen.
- The serum has a density of 1.024 g/ml.
- The animal serum is used as anti-toxins, anti-venom and for vaccinations.
- The serum is used in diagnosing the cholesterol, proteins, sugar level, etc., present in the blood.
- The serum is also used in blood typing.