ELECTROVAGOGRAM
\ɪlˌɛktɹə͡ʊvˈaɡəɡɹˌam], \ɪlˌɛktɹəʊvˈaɡəɡɹˌam], \ɪ_l_ˌɛ_k_t_ɹ_əʊ_v_ˈa_ɡ_ə_ɡ_ɹ_ˌa_m]\
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The protographic record of the electrical changes in the afferent fibers of the vagus nerve. The nerve is cut in the neck and the electrodes from the galvanometer or electrometer are connected, one with the cut end and one with the longitudinal surface. The record shows changes synchronous with the respiratory movements and with the heart beat.
By Smith Ely Jelliffe
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.