. Elements of human physiology. Physiology. Current of rest. cent. NaCl solution made with tap water { containing lime), all the injured fibres die, and the uninjured fibres are then found to be iso-electric and therefore currentless. The existence of this current may be demonstrated with- out using a galvanometer. If the nerve of a sensitive muscle-nerve preparation (a. Fig. 53) be allowed to fall on an excised muscle (b), so that two points of the nerve are in Fig. contact with the cut end and with the surface of the second muscle (b), the muscle (a) will contract each time the nerv
. Elements of human physiology. Physiology. Current of rest. cent. NaCl solution made with tap water { containing lime), all the injured fibres die, and the uninjured fibres are then found to be iso-electric and therefore currentless. The existence of this current may be demonstrated with- out using a galvanometer. If the nerve of a sensitive muscle-nerve preparation (a. Fig. 53) be allowed to fall on an excised muscle (b), so that two points of the nerve are in Fig. contact with the cut end and with the surface of the second muscle (b), the muscle (a) will contract each time the nerve touches (b) so as to complete the circuit. Whatever be the explanation of this current of resting muscle, there is no doubt that a very definite electrical change occurs in a muscle when it contracts. To show this change, we may lead off two points, one on the cut end and one on the surface of the muscle of a muscle-. 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 Starling, Ernest Henry, 1866-1927. Chicago : W. T. Keener
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