Aferenl lymphatic vessels 



V 



oj lymphatic 



vessels 



Young connective tissue-^ 



Lymphoid tissu 



Peripheral lymph sinus 



Capsule 



Trabecula 



Reticular tissue cells 

 'Lymph sinus 



Lymphatic vessel Blood vessels Lymphatic vessel 



B 



Afferent lymphatic vessels 



Peripheral sinus 



\ 



\ 



Lymph sinus 



Secondary nodule 



Medullary cord 



Trabecula 



Efferent lymphatic vessels 



FIG. 288. Diagrams representing four stages in the development of lymph glands. The earlier stages 

 are shown on the left side of each figure (Lewis and Stohr). 



