Principles and practice of spinal adjustment; for the use of students and practitioners . clinical resultsof chiropractic will be readily appreciated. Fig. 10. The sympathetic nervous system consists of (1) a doublechain of ganglia extending along the front and sides of thespinal column, from the base of the skull to the coccyx, andconnected with each other by intervening cords. Each gang-lion is reinforced by motor and sensory filaments derived fromthe cerebro-spinal system, and thus the organs under itsinfluence are brought indirectly into communication with ex-ternal objects and phenomena.
Principles and practice of spinal adjustment; for the use of students and practitioners . clinical resultsof chiropractic will be readily appreciated. Fig. 10. The sympathetic nervous system consists of (1) a doublechain of ganglia extending along the front and sides of thespinal column, from the base of the skull to the coccyx, andconnected with each other by intervening cords. Each gang-lion is reinforced by motor and sensory filaments derived fromthe cerebro-spinal system, and thus the organs under itsinfluence are brought indirectly into communication with ex-ternal objects and phenomena. (2) Of three great gangliatedplexuses or collections of nerves and ganglia, located in frontof the spine in the thoracic, lumbar, and pelvic cavities. (3)Of smaller ganglia situated in close relation to the viscera.(4) Of a large number of nerve-fibres which are of two kinds:communicating, by which the ganglia communicate with eachother and with the cerebro-spinal nerves; and distributorywhich supply the internal organs and the coats of theblood-vessels (Gray). 47 48 SPINAL ADJUSTMENT. yngcal plans. I )!exus, Solar plexus. ~~L. Aortic plexus. Hypogastric plexus. Sacral ganglia. Ganglion impat Fig. 10. Tbe Sympathetic NervousSystem (Gray). SYMPATHETIC NERVOUS SYSTEM 49 The nerves of the sympathetic system are distributed toorgans over which the consciousness and the will have nodirect control, as the intestines, kidneys, liver, heart, etc. Theentire sympathetic series is in this way composed of numer-ous small ganglia which are connected throughout, first, witheach other; second, with the cerebro-spinal system; and third,with the internal viscera of the body. The upper end of each gangliated cord enters the cranialcavity through the carotid canal by means of an ascendingbranch. These ascending branches unite in a small ganglion,known as the ganglion of Ribes, situated upon the anteriorcommunicating artery. The lower end of each gangliated cord passes
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