| carcoma | Dark red-brown or mahogany-coloured granular material that occurs in human faeces in tropical regions; it yields a chemical reaction similar to that of urobilinogen and is composed of calcium oxide, iron, phosphoric and carbonic acids, urobilinogen, cholerythrogen, and other organic matter in varying proportions. Origin: Sp. Wood dust under the bark of a tree, caused by the wood louse (05 Mar 2000) |
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