a sudden brief halt in usually smooth respiration or other motor activity.
Synonym(s): Negro phenomenon
Farlex Partner Medical Dictionary © Farlex 2012
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
cogwheel phenomenonNeurology A circular jerking rigidity in flexion and extension in a background of tremor, which continues throughout an entire range of movement, a finding typical of parkinsonism; it may also be 'smoothly' rigid, and termed lead pipe rigidity. Cf Clasp knife phenomenon, Gegenhalten.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Negro,Camillo, Italian neurologist, 1861-1927.
Negro cogwheel rigidity - Synonym(s): Negro phenomenon
Negro phenomenon - a sudden brief halt in usually smooth respiration or other motor activity. Synonym(s): cogwheel phenomenon; Negro cogwheel rigidity; Negro rigidity
Negro rigidity - Synonym(s): Negro phenomenon
Medical Eponyms © Farlex 2012