RT Journal T1 LAndry's paralysis. JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1899 FD July 15 VO XXXIII IS 3 SP 169 OP 170 DO 10.1001/jama.1899.02450550053017 UL http://dx.doi.org/10.1001/jama.1899.02450550053017 AB While the precise nature of the disorder first described by Landry, and hence known by his name, remains unknown, there seems good reason for believing that the symptomatic manifestations of the affection are dependent on deranged functional activity of the peripheral motor neuron. Going a step further, it may readily be conceived that the disturbance of function is due to the activity of toxic substances introduced from without or generated within the body as a result of the vital activity of micro-organisms or of derangement in the bodily metabolism. However this may be, in some cases the symptoms have been indicative of peripheral neuritis, in others of anterior poliomyelitis. Of the infectious nature of the disease the presence of constitutional symptoms of greater or less gravity may be accepted as evidence. Symptoms of the affection consist in gradually progressive and extending motor paralysis of flaccid type, with loss of reflexes,