A treatise on the principles and practice of medicine . ,3 did X ?d :/ J 2d fail 4 1 5 s 4 1 2sJ These figures have been aevised by Wichmann in order to show the distribution of the sensory areascorresponding to the segments of the spinal cord. The colors used correspond to those of the normal spec-trum, red, orange, yellow, green, blue, indigo, and violet, with brown; respectively-—the first, second, third,fourth, etc., segments in each portion of the spinal cord--cervical, dorsal, lumbar, and sacral. The last foursegments in the dorsal region are left white. The advantage of the plate is tha
A treatise on the principles and practice of medicine . ,3 did X ?d :/ J 2d fail 4 1 5 s 4 1 2sJ These figures have been aevised by Wichmann in order to show the distribution of the sensory areascorresponding to the segments of the spinal cord. The colors used correspond to those of the normal spec-trum, red, orange, yellow, green, blue, indigo, and violet, with brown; respectively-—the first, second, third,fourth, etc., segments in each portion of the spinal cord--cervical, dorsal, lumbar, and sacral. The last foursegments in the dorsal region are left white. The advantage of the plate is that it shows very clearly theoverlapping of the segments that has been demonstrated by Sherrington. The dark heavy black lineson the arms indicate the division between the two sides of innervation—that from the upper portion ofthe cervical enlargement and that from the lower portion. The heavy black lines of the legs indicate thedivisions between the sacral and lumbar areas of innervation. The figures and letters indicate the seg-ments in which the
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphiladelphialeafeb
