| Morvan's chorea | Continuous involuntary quivering or rippling of muscles at rest, caused by spontaneous, repetitive firing of groups of motor unit potentials. Synonym: fibrillary chorea, kymatism, Morvan's chorea. Origin: myo-+ G. Kyma, wave (05 Mar 2000) |
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| Morvan's disease | <radiology> Syrinx, congenital: 90% associated with Arnold-Chiari, acquired: trauma, tumour, infection, haemorrhage, syringomyelia dissection of cerebrospinal fluid within cord no ependymal lining, hydromyelia dilatation of central canal lined by ependyma associated with, myelomeningocele, Arnold-Chiari malformation, Dandy-Walker cyst, Klippel-Feil syndrome, neuropathic joint (most common cause in upper extremity) (12 Dec 1998) |
| Morvan, Augustin | <person> French physician, 1819-1897. See: Morvan's chorea, Morvan's disease. (05 Mar 2000) |