The Centrifugal Pathway for Micturition Within the Spinal Cord

In previous papers we have described the location in man of the spinal pathways subserving sensation from the lower bowel and the motor aspects of defaecation (Nathan and Smith, 1953), and the spinal pathways subserving sensation from the bladder and urethra (Nathan and Smith, 1951; Nathan, 1952). It remains now to show the location in the spinal cord of the pathways used in the conscious control of micturition and those used for the coordination of bladder functioning. Historical The location of these fibres in the spinal cord both of man and other animals has been relatively neglected. Most observers who have studied the functional anatomy of micturition have considered