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Updated: June 16, 2025
But at the lumbar ganglion, which is the center of separate identity, the knowledge is of a different mode, though the term is the same. At the lumbar ganglion I know that I am I, in distinction from a whole universe, which is not as I am. This is the first tremendous flash of knowledge of singleness and separate identity.
It is thick, white in color, irregularly cylindrical in shape, slightly flattened above and below and reaches its largest diameter in the lower cervical and lumbar regions. The spinal canal is lined by the outer membrane that envelops the cord, which aids in fixing this organ to the wall of the canal. The spinal cord is formed by white and gray nerve tissue.
Thus there are certain centers for maintaining the action of the heart, and the movements of breathing; and low down in the cord, in the lumbar regions, are centers for the control of the various abdominal organs.
Mustard spread on a cold towel and applied to the spine or lumbar region of the back is often an effective aid to the cold treatment. If such applications have to be made more than once, cayenne pepper is preferable to the mustard, and equally powerful. When cold cloths alone fail, this more powerful treatment may be tried. Pain and burning after cayenne are relieved by applying olive oil.
The spinous process of the lower dorsal vertebra seemed to be unusually prominent, leading to the supposition that the spinous process of the upper lumbar vertebra might be fractured and depressed. However, I was unable to detect mobility or crepitus in any of the processes, spinous or transverse, either of the dorsal or lumbar vertebræ. There was considerable tenderness over the lumbar region.
The eighth pair, called cervical, pass out in the region of the neck; twelve, called dorsal, in the region of the ribs; five are lumbar, and five sacral, while the last pair leave the cord near the coccyx. Each spinal nerve has two roots, one from the anterior, the other from the posterior portion of the cord.
Furthermore, under ordinary circumstances, Man has seven vertebrae in his neck, which are called 'cervical'; twelve succeed these, bearing ribs and forming the upper part of the back, whence they are termed 'dorsal'; five lie in the loins, bearing no distinct, or free, ribs, and are called 'lumbar'; five, united together into a great bone, excavated in front, solidly wedged in between the hip bones, to form the back of the pelvis, and known by the name of the 'sacrum', succeed these; and finally, three or four little more or less movable bones, so small as to be insignificant, constitute the 'coccyx' or rudimentary tail.
After treating so a few moments say four to six minutes remove P. P. to the back, and pass it along close upon each side of the spinous processes from the lower lumbar up to about the middle of the dorsal vertebræ. Continue this about three or four minutes.
Almost in contact with this viscus, or at least passing through the pelvis, are the crural nerves from the lumbar vertebrae, the obtusator running round the rim of the pelvis, the glutal nerve occupying its back, and the sciatic hastening to escape from it.
It extends from the base of the skull to the lower border of the first lumbar vertebra, where it narrows off to a slender filament of gray substance. The spinal cord is from 16 to 18 inches long, and has about the thickness of one's little finger, weighing about 1-1/2 ounces. Like the brain, it is enclosed in three membranes, which in fact are the continuation of those within the skull.
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