| micronychia | Abnormal smallness of nails. Origin: micro-+ G. Onyx, nail (05 Mar 2000) |
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| micronystagmus | Nystagmus of so small an amplitude that it is not detected by the usual clinical tests. Synonym: minimal amplitude nystagmus. Origin: micro-+ G. Nystagmos, a nodding (05 Mar 2000) |