. A manual of diseases of the nervous system. Pig. 76.—Degenerations after a lesion of the cord in the lower part of the cervicalreo-ion. A, highest cervical; B, middle cervical 1^ cm. above lesion. Degenerationof^the posterior median columns, spreading slightly in A and widely in B into thepost. ext. col. The nature of the circumferential degeneration is uncertain j itis probably a partial ascending degeneration set up by peripheral myelitis. 0, upper dorsal 2 cm. below lesion. Degeneration of the lateral pyramidal tracts;comma-shaped degeneration in front of the post, ext. col.; slight degen
. A manual of diseases of the nervous system. Pig. 76.—Degenerations after a lesion of the cord in the lower part of the cervicalreo-ion. A, highest cervical; B, middle cervical 1^ cm. above lesion. Degenerationof^the posterior median columns, spreading slightly in A and widely in B into thepost. ext. col. The nature of the circumferential degeneration is uncertain j itis probably a partial ascending degeneration set up by peripheral myelitis. 0, upper dorsal 2 cm. below lesion. Degeneration of the lateral pyramidal tracts;comma-shaped degeneration in front of the post, ext. col.; slight degenera-tion of the anterior ground-fibres. (Schultze.) -piQ, 77.—Ascending degeneration after injury to the lowest part of the spinalcord and sciatic nerve-roots arising from it. A, cervical; B, lower dorsal; C, junctionof dorsal and lumbar regions; B, middle of lumbar enlargement. (After Schultze.) degenerate in the same way when the lesion is not in the cord, butin the posterior nerve-roots (as of the cauda equina, Fig. 70). Hence* Foster
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