u ■ ■ . - .-• , . 



^ g .,vf, ■* '• "SB 





'V 



Fig. 3 Several adjacent follicles showing the intimate connections of the adja- 

 cent perifollicular plexuses. X 250. 



Fig. 4 One of the follicles shown in fig. 3. N, endings of the follicular nerves; 

 V, varicosities on the nerves; E, the epithelial cells, the intercellular substance 

 stained a light brown. X 650. 



Fig. 5 Section of the parathyroid. A, small artery accompanied by nerves 

 entering the parathyroid from the thyroid; B, supporting connective tissue; ('. 

 nerves in this connective tissue; I), nerve endings. X 150. 



102 



