| hatteria | <zoology> A New Zealand lizard, which, in anatomical character, differs widely from all other existing lizards. It is the only living representative of the order Rhynchocephala, of which many Mesozoic fossil species are known. Synonym: Sphenodon, and Tuatera. (01 Mar 1998) |
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| Mad Hatter syndrome | <syndrome> Gastrointestinal and central nervous system manifestations of chronic mercury poisoning, including stomatitis, diarrhoea, ataxia, tremor, hyperreflexia, sensorineural impairment, and emotional instability; previously seen in workers in lead manufacturing who put mercury-containing materials in their mouths to make them more pliable. Origin: fr. Char. In Alice in Wonderland (05 Mar 2000) |
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