. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 192 COMPARATIVE Fig. 180.âRepresentation of electrical currents in a mnscle-rliombus (after Rosenthal). strength, according to the parts of the muscle connected hy the electrodes. The strongest is that resulting when the superfi- cial equator and the transverse center are connected ; and it is found that the nearer these points are approached the stronger the current hecomes. It is important to note that the electric current of muscle, however viewe
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 192 COMPARATIVE Fig. 180.âRepresentation of electrical currents in a mnscle-rliombus (after Rosenthal). strength, according to the parts of the muscle connected hy the electrodes. The strongest is that resulting when the superfi- cial equator and the transverse center are connected ; and it is found that the nearer these points are approached the stronger the current hecomes. It is important to note that the electric current of muscle, however viewed, is associated with the chemical and all the other molecular changes of which the actual contraction is hut the outward and visible sign ; and since the currents have â an appreciable duration, wane with the vitality of the tissue, and wholly disappear at death, they must be associated with the fundamental facts of organic life ; for it is to be remembered that electrical currents are not confined to muscle, but have been detected in the developing embryo, and even in vegetable protoplasm. Though the evidence is not yet complete, it seems likely that electrical phenomena may prove to be associated with (we designedly avoid any more definite expression) all vital phenomena. Chemical Changes in Muscle.âAt a variable period after death the muscles become rigid, producing that stiffness {rigor mortis) so characteristic of a recent 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 Mills, Wesley, 1847-1915. New York, Appleton
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