serology

English

Etymology

From sero- +‎ -logy.

Noun

serology (countable and uncountable, plural serologies)

  1. The science that studies the blood serum, and especially the reaction between antigens and antibodies in serum.
  2. The characteristics of the blood serum in a particular disease or organism.
  3. (countable, informal, sometimes proscribed) A serologic test: a blood test to detect the presence of, and often to measure the amount of, various components of the serum (usually antibodies, antigens, and immune complexes thereof).
    Coordinate term: chemistry
    Diagnosis is presumptive by history and physical examination and is confirmed by serologies.

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