64 



PSYCHOBIOLOGY 



Fig. 50. Longitudinal section of tactile papilla, containing a Meissner's corpuscle. 

 Magnified probably 400 diameters. (Ranvier, Histologic) 



Stratum lucidura 

 Stratum 

 St-^ 2 """ 1 granulosum 



Fig. 51. Section through human skin, showing the layers of the epidermis and the 

 papilla in the corium. Magnified probably 140 diameters. (Cunningham, Anatomy.) 



