PLATE 69. Secondary degenerations of the pons. 70. Secondary degenerations in the medulla oblongata. 71. Descending degeneration of pyramidal tract in spinal cord after a focal lesion of cerebrum. 72. Descending degeneration in spinal cord in diseases of the cord. 73. Ascending degeneration of spinal cord. 74. Ascending degeneration in cervical portion of cord and medulla oblon gata. V. SPECIAL PATHOLOGY OF THE SPINAL CORD AND OF THE PERIPHERAL NERVES. 75. Various forms of myelitis. 76. Syringomyelia. 77. Multiple cerebrospinal sclerosis. 78. Fig. 1.-Section through medulla oblongata in chronic bulbar paralysis. Fig. 2.-Section through lower cervical cord in amyotrophic lateral sclerosis. Fig. 3.-Section through anterior horn of cervical cord in spinal muscular PART III. Anatomy and Physiology of the More Important Nervous (PLATES 54 to 57.) Sensory cranial nerves and nerves of special sensation 3. THE REFLEX PATHS AND REFLEX ACTION |