. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. â ff3JfCB Fie. 333.âDiagram of a spinal segment allowing component parts (Ranney).. Fig. 334.âDiagrammatic representation to lllnstrate the reflex arc (Bramwell and Ban- ney). 1,2, sensory fibers; 3, motor-cell of anterior horn; 4, motor-flber connected witli 3 and passing out by anterior root to muscle; 5, fiber joining ganglionic cell (3) with crossed pyramidal tract, C. P. C; 6, ganglion on root of posterior spinal nerve; 7, fiber joining 3 with Tfirck's colu
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. â ff3JfCB Fie. 333.âDiagram of a spinal segment allowing component parts (Ranney).. Fig. 334.âDiagrammatic representation to lllnstrate the reflex arc (Bramwell and Ban- ney). 1,2, sensory fibers; 3, motor-cell of anterior horn; 4, motor-flber connected witli 3 and passing out by anterior root to muscle; 5, fiber joining ganglionic cell (3) with crossed pyramidal tract, C. P. C; 6, ganglion on root of posterior spinal nerve; 7, fiber joining 3 with Tfirck's column, T. Fiber 2 is represented as pass- ing through Burdach^s column to reach the cell. 3. Eeflexes are often spoken of as purposive, and suggest at first intelligence in the cord; but such phenomena are explained readily enough without such a strained assumption. Evolution, heredity, and the law of habit, apply here as else- where. The relations of an animal to its environment must necessarily call into play certain nervo-muscular mechanisms,. 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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