SECTION OF HUMAN SPLEEN 



119 



3. The large blood-vessels, (a) The arteries more frequent 

 than veins, (b) Their very prominent adventitia. (c) Their 

 tortuous course. 



4. The lymphoid (or adenoid tissue). (This you will be 

 enabled to recognize by the great number of lymphoid cells of the" 



FIG. 82. SECTION OF THE SPLEEN (X 60). 



A. Elastic portion of the capsule. 



B. Lymph-spaces of last. 



C. Involuntary muscular portion of capsule. 



D. Deeply pigmented portions of capsule. 



E. E. Trabeculse from C. 



F. Trabeculse in oblique section. 



G. G. The splenic pulp. 



H, H. Large arteries in T. S. 



I. Arteries in L. S. 



J. Adenoid nodule, not connected with an artery. 



K. Adenoid nodule Malpighian body along course of artery. 



L. Adenoid nodule in T, S. 



M. Vein. 



adenoid structure, the nuclei of which become stained very deeply 

 blue with haematoxylin, giving a >very distinct differentiation. At 

 this point examine every part of the specimen closely, and en- 

 deavor to detect even the most minute collection of this tissue.) 

 (a) Around arteries, constituting the so-called Malpighian bodies. 



