HISTOLOGY. 



67 



are of both varieties, viz. : medullated and non-medul- 

 lated. That portion of the gland which is located near 

 the capsule is called the cortical portion, and that por- 

 tion near the center of the gland is called the medul- 

 lary portion. 



THE SPLEEN. 



The spleen is a lymphoid gland, and differs from 

 the other lymphoid glands in that it has no medullary 

 portion and the blood supply is differently arranged. 



SECTION OF SPLEEN. 



1, -Capsule; 2, Malpighian corpuscles; 3, intralobular 

 vein; 4, splenic pulp. The large bands of fibrous tissue 

 represent the trabeculae. 



