a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die
endotoxin详细解释
en.do.tox.in n.（名词）A toxin produced by certain bacteria and released upon destruction of the bacterial cell.内毒素：由某些特定细菌产生并在该细菌细胞裂变时释放出来的一种毒素 【引伸】 en.dotox.ic adj.（形容词）
