| arsenical | 1. <pharmacology> A drug or agent, the effect of which depends on its arsenic content. 2. Denoting or containing arsenic. (05 Mar 2000) |
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| arsenical keratosis | Multiple keratoses, most commonly of the palms and soles but also of the fingers and proximal portions of the extremities, resulting from long-term arsenic ingestion; they resemble Bowen's disease microscopically and may become malignant. (05 Mar 2000) |
| arsenical polyneuropathy | An axon loss polyneuropathy that results from subacute or chronic arsenic poisoning; almost always preceded by gastrointestinal symptoms; one of the heavy metal neuropathies. (05 Mar 2000) |
| arsenical tremor | A tremor caused by chronic poisoning by arsenic. (05 Mar 2000) |
| arsenicalism | Chronic arsenical poisoning. Synonym: arsenicalism. (05 Mar 2000) |
| arsenicals | <chemical> Inorganic or organic compounds that contain arsenic. Pharmacological action: sulfhydryl reagents. (12 Dec 1998) |