lewisite
Pronunciation: lū′i-sīt
Definition: A toxic gas used in warfare. It is a vesicant, a lung irritant like mustard gas; a systemic poison entering the circulation through the lungs or skin, and a mitotic poison arresting mitosis in the metaphase; dimercaprol is the antidote.
[W. Lee Lewis]
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Examples: glitazone, GI cocktail, etc.
