endotoxin

English

Etymology

From endo- +‎ toxin.

Noun

endotoxin (plural endotoxins)

  1. Any toxin secreted by a microorganism and released into the surrounding environment only when it dies.
    • 1966, Karina Dzintars Burda, A Study of Heat-labile Superficial Somatic Antigen of Vibrio Fetus, page 41:
      It may resemble the factor 5 in Salmonella, a heat-labile determinant on the endotoxin molecule which, because of its superficial location, blocks the agglutination reaction of the deeper heat-stable O antigens in the same way as do the Vi and K antigens.

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