STRUCTURE OF LYMPHATIC GLANDS. 



191 



the trunk and left side of the head, and neck, and arm ; and the 

 two fluids are mixed in the receptaculum chyli, and the other 

 parts of the thoracic duct. 



Along the course of the lymphatic vessels are numerous small 

 bodies called lymphatic glands or follicles, which are composed 



FIG. 84. 



Lymphatic Network from between the Muscle Coats of the Intestinal Wall, 

 with fine vessels and many valves, causing the walls to bulge. (Cadiat.) 



of masses of a delicate trellis-work of adenoid tissue, packed with 

 nucleated protoplasmic cells, called lymph corpuscles, the com- 

 bination making what is known as lymphoid tissue. (Figs. 83, 84, 

 and 85.) These masses of cells and their delicate supporting 

 reticulum are inclosed in a fibrous case or capsule, from which 

 branching trabeculae pass into the gland and separate the masses 



