DIFFERENTIAL RHEOTOME
\dˌɪfəɹˈɛnʃə͡l ɹɪˈɒtə͡ʊm], \dˌɪfəɹˈɛnʃəl ɹɪˈɒtəʊm], \d_ˌɪ_f_ə_ɹ_ˈɛ_n_ʃ_əl ɹ_ɪ__ˈɒ_t_əʊ_m]\
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A r. for studying the negative variation in muscle and nerve currents. It consists of a rotating wheel so arranged that it alternately opens and closes a galvanometer circuit at a certain determined interval after stimulation of a nerve-muscle preparation. [Gr.]
By Smith Ely Jelliffe
