DIAGRAM INDICATING THE COURSE OF THE MOTOR AND SENSORY FIBERS OF THE 

 SPINAL CORD AND MEDULLA. (Gordinier.) 



a, a. Motor cells of the cerebral cortex, b, b. Arborizations of the fibers of the sensory 

 tract in the cerebral cortex, c. Nucleus of the column of Burdach, showing ter- 

 minal arborizations of the long sensory fibers of the cord. d. Nucleus of the 

 column of Goll, showing terminal arborizations of the long sensory fibers of the 

 cord. e. Section of the medulla, showing sensory decussation. /. Section of 

 medulla, showing motor or pyramidal decussation. g, g. Motorial end plates. 

 h. Section through the cervical region of the cord, showing termination in the 

 anterior horn of the motor fibers of the direct pyramidal tract after they have 

 crossed in the anterior commissure; also fiber of crossed pyramidal tract ending 

 about anterior horn cell of same side, i, i. Posterior spinal ganglia. /, k. Sensory 

 fibers of short course. /. Sensory fibers of long course, terminating in medulla. 

 m, m, m. Sensory end organs, n. Section through lumbar cord. 



