Su TEXT-BOOK OF PHYSIOLOGY. 



have been variously located by different observers, e.g., in the gray matter, 

 in the limiting layer, and in the antero-lateral tract of Gowers; the pathway 

 for the impulses that give rise to temperature sensations has been located in 



FIG. 236. DIAGRAM OF THE SENSOR PATHWAYS IN THE SPINAL CORD ENLARGED ABOVE BY 

 FIBERS OF THE SENSOR CRANIAL NERVES AND NERVES OF SPECIAL SENSE. 



the gray matter; the pathway for tactile impressions has been located in the 

 posterior columns, though this is not beyond dispute. The pathway for 

 pain sensations has been located in Gowers' tract. 



