Viiscular SvshMii ul" (he Thyroid Gland. 



487 



the termination of the follicular artery at the follicle, the capillary 

 network and the vein arising from the far side of the follicle. 



The relations between the capillaries and the cells of the fol- 

 licle are seen in Fig. 10. The capillaries lie just outside the cells 

 in the connective tissue that forms a sort of capsule for each fol- 



/ 



Hi 





Fig. lU.— Drawing illustrating tlie relatioa belweeii Uie i'ullicular netvvorli 

 of capillaries and tlie cells of the follicle in tlie human thyroid. Capillaries 

 in solid blacli. X 200. 



Hole. It is also noted that' compared with the size of the individual 

 cells, the capillaries are very gross structures. This is interesting 

 from the standpoint of the secretory changes in the thyroid. Ac- 

 cording to AnderssoU;, Hurtle, Biondi and others, the colloid mate- 



