. Eight lectures on the signs of life from their electrical aspect. Electrophysiology. The current of a Daniel cell is from copper to zinc through the galvanometer, and from zinc to copper in the cell itself. Fig. 7, A nerve current is from unin- jured to injured spot through the galvanometer, and from injured to uninjured spot in the nerve itself. The injured spot is "zinca- ; motive like the zinc of a voltaic couple"; zinc is, as we all know, negative as to its external relation by its pole, and electro- positive as to its internal relation in the cell. Current in the cel
. Eight lectures on the signs of life from their electrical aspect. Electrophysiology. The current of a Daniel cell is from copper to zinc through the galvanometer, and from zinc to copper in the cell itself. Fig. 7, A nerve current is from unin- jured to injured spot through the galvanometer, and from injured to uninjured spot in the nerve itself. The injured spot is "zinca- ; motive like the zinc of a voltaic couple"; zinc is, as we all know, negative as to its external relation by its pole, and electro- positive as to its internal relation in the cell. Current in the cell is from zinc to copper, in the tissue from more active to less active; an active tissue-element is electro-positive to a resting tissue element, or (under protest) an active tissue element is u. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Waller, Augustus Désiré, 1856-1922. New York : E. P. Dutton
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