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psellismus mercurialisAn obsolete term that formerly dignified the speech defects induced by chronic mercury poisoning; e.g., slurred speech.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Jerking, hurried, unintelligible speech present as part of the tremor that accompanies mercury poisoning.
See also: psellism
Medical Dictionary, © 2009 Farlex and Partners