A sudden brief halt in usually smooth respiration or other motor activity. ... Synonym: Negro's phenomenon. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
cogwheel rigiditycogwheel sign tension in a muscle that gives way in little jerks when the muscle is passively stretched; seen in Parkinson disease. Found on http://www.encyclo.co.uk/local/21001