The hydropathic encyclopedia: a system of hydropathy and hygiene .. . erves throughout the entire length of the cord, by theirprocesses of pia mater, called membrana dzntata. A transverse sec-tion of the spinal marrow exhibits an arrangement of gray matter in-ternally and medullary externally. It extends from the pons Varoliito the firit or second lumbar vertebra, where it terminates in a roundedpoint, lis diameter varies in different parts, and exhibits three enlarge-ments, the uppermost being the medulla oblongata, the middle corres-ponding with the origin of the nerves of the upper extremit
The hydropathic encyclopedia: a system of hydropathy and hygiene .. . erves throughout the entire length of the cord, by theirprocesses of pia mater, called membrana dzntata. A transverse sec-tion of the spinal marrow exhibits an arrangement of gray matter in-ternally and medullary externally. It extends from the pons Varoliito the firit or second lumbar vertebra, where it terminates in a roundedpoint, lis diameter varies in different parts, and exhibits three enlarge-ments, the uppermost being the medulla oblongata, the middle corres-ponding with the origin of the nerves of the upper extremities, and th*>lower corresponding with the origin of nerves that supply the lowerextremities. It is divided into lateral halves by anterior and posteriorlongitudinal fissures, which extend deeply into its substance. half is divided by a lateral sulcus, or fissure, into anterior andposterior columns, the anterior giving origin to the nerves of motion,and th« posterior to those of sensation. Another slight, fissure indicate*(—15 17C ANATOMY. » 1NAL CuRD. a lateral column, which Sir Charles UbIsupposed to pertain to the respiratory nerves,though such functional arrangement has not yetbeen demonstrated. In Fig. 89 are seen the relntionB of the spinal mi rrow tu themedulla oblongata, pons Varolii, and cerebellum, as well as th«several enlargements in its conrsfi. The Cranial Nerves.—These are so calledfrom their emerging through the foramina at thebase of the cranium. There are nine pairs of them,all of which are named numerically and functionally. Fig. 90.
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Keywords: ., bookcentury1800, bookdecade1870, bookpub, booksubjecthydrotherapy
