endotoxin
Meaning
a toxin that is present inside a bacterial cell and is released when the cell disintegrates.
Structure
Usage
the fever was caused by the release of endotoxin from the gram-negative bacteria.
endotoxin shock is a severe and potentially fatal reaction to bacterial infection.
laboratory tests are used to detect the presence of endotoxin in medical products.
Etymology
the word 'endotoxin' is a modern scientific compound formed from two classical roots. the prefix 'endo-' derives from greek 'endon', meaning 'within' or 'inside'. the second element, 'toxin', originates from latin 'toxicum', meaning 'poison', which itself traces back to greek 'toxikon pharmakon', a poison for arrows. the term was coined to specifically designate a poisonous substance that is structurally part of the bacterial cell wall and is released from within, contrasting with 'exotoxins' which are secreted externally. this formation elegantly captures the substance's nature as an internally located poison.
Analysis
endo- (from greek, meaning 'within, inner, internal'), toxin (from latin toxicum, meaning 'poison')