Dictionary > Serum

Serum

Definition
noun, plural: sera, serums
(1) The clear portion of any bodily fluid
(2) Blood serum: the clear liquid devoid of the clotting factors
Supplement
In general, the serum pertains to the clear portion of any bodily fluid, of an animal or a plant. For instance, the animal serous (or serosal) fluid is the fluid secreted by serous glands.
In blood, the serum is the clear, pale-yellow liquid derived from the blood and is devoid of blood cells and clotting factors. Blood plasma is the fluid component of the blood and where the blood cells are suspended. The plasma in which the clotting factors are removed is the blood serum.
An antiserum or an immune serum is a serum with specific antibodies (naturally or artificially produced). It is used medically for administering passive immunity to certain diseases.
Word origin: Latin serum (“whey”)
See also:

Related term(s):

  • Antiserum
  • Bacteriolytic serum
  • Convalescent serum
  • Dried human serum
  • Human pertussis immune serum
  • Human scarlet fever immune serum
  • Human serum jaundice
  • Inactivated serum
  • Muscle serum
  • Normal human serum
  • Pooled serum
  • Pregnant mares serum gonadotropin
  • Serum accelerator globulin
  • Serum amyloid
  • Serum hepatitis
  • Serum therapy
  • Serum transferrin
  • Related form(s):

    • serumal (adjective, of, relating to, pertaining to, or characterized by serum)


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