noun \ˌen-dō-ˈtäk-sən\

Definition of ENDOTOXIN

:  a toxic heat-stable lipopolysaccharide substance present in the outer membrane of gram-negative bacteria that is released from the cell upon lysis
en·do·tox·ic \-sik\ adjective


International Scientific Vocabulary
First Known Use: 1904


noun \ˌen-dō-ˈtäk-sən\   (Medical Dictionary)

Medical Definition of ENDOTOXIN

: a toxin of internal origin; specifically : a poisonous substance present in bacteria (as the causative agent of typhoid fever) but separable from the cell body only on its disintegration—compare exotoxin
en·do·tox·ic \-sik\ adjective


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