1905

James Mackenzie publishes series of five papers in BMA under general title New Methods of Studying Affections of the Heart (Mair, 164ff.). Berkeley Moynihan publishes Abdominal Operations, which gave him an international reputation. Zoologist Fritz Schaudinn discovers causative organism of syphilis, belonging to spirochete family) (Bäumler, 125-26). John Langley at Cambridge suggests axons contain a chemical “synaptic substance” that might stimulate a receptor on neighboring dendrites (i.e., neurotransmitters) (Rapport, 170).