arsenic
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- A poisonous chemical used to kill weeds and pests. Also used in cancer therapy.
National Cancer Institute - Cite This Source - This Definition - dihematoporphyrin ether, hematoporphyrin derivative, HPPH, LED therapy, light-emitting diode therapy, methyl-5-aminolevulinate, photoactivity, photodynamic therapy, Photofrin, photosensitizer, photosensitizing agent, porcine, porfimer sodium, psoralen and ultraviolet A therapy, PUVA therapy, silicon phthalocyanine 4, talaporfin sodium
- (AHR-sin-ik): A poison used to kill weeds and pests. Arsenic is also used in some cancer treatments to kill cancer cells.
CDC - Cite This Source - This Definition - adenocarcinoma, bronchi, bronchial carcinoma, bronchoalveolar carcinoma, Carcinogen, squamous cell carcinoma, trachea