| Levy | Gabrielle, French neurologist, 1886-1935. See: Roussy-Levy disease, Roussy-Levy syndrome. (05 Mar 2000) |
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| levynite | <chemical> A whitish, reddish, or yellowish, transparent or translucent mineral, allied to chabazite. Origin: From Mr. Levy, an English mineralogist. Source: Websters Dictionary (01 Mar 1998) |
| Michel Levy scale of retardation colours | <microscopy> Colour chart plotting thickness of the anisotropic specimen, its birefringence (n1-n2) and its retardation in nanometres. Any one of the three variables can be determined if the other two are known. (05 Aug 1998) |
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| Roussy-Levy disease | A type of cerebellar ataxia regularly associated with wasting of the calves and intrinsic muscles of the hands and with absent tendon reflexes; pes cavus and claw toes develop; autosomal dominant inheritance. Synonym: Roussy-Levy syndrome. (05 Mar 2000) |
| Roussy-Levy syndrome | A type of cerebellar ataxia regularly associated with wasting of the calves and intrinsic muscles of the hands and with absent tendon reflexes; pes cavus and claw toes develop; autosomal dominant inheritance. Synonym: Roussy-Levy syndrome. (05 Mar 2000) |