Definition of exotoxin in English:



  • A toxin released by a living bacterial cell into its surroundings.

    Compare with endotoxin
    • ‘Pollitt's landmark work has shown that a bacterial exotoxin - Streptococcus bovis - has the capability to cause lamellar separation at the basement membrane of laminae of the foot.’
    • ‘The diphtheria bacillus also secretes an exotoxin that can cause other symptoms such as inflammation of the heart.’
    • ‘The integrity of the gastrointestinal system is vital to preventing formation and release of exotoxins into systemic circulation.’
    • ‘Scarlet fever usually follows an acute infection of the tonsils or skin by group A beta-hemolytic streptococci that produce an erythrogenic exotoxin.’
    • ‘A particularly useful subject for studies with polymers has been the bacterial exotoxin [alpha] hemolysin, which forms large pores in lipid bilayers.’