54 HUMAN PHYSIOLOGY 



representing the excess of blood-supply, is gathered 

 up from every part of the frame and returned to the 

 circulation. What are known as lymphatic glands 

 exist in various parts of the body, and are connected 

 with the lymphatic system of vessels or absorbents 

 as they are also called. We find these glands 

 prominent in the sides of the neck, in the arm-pits 

 (Fig. 13), in the groin, and in other parts of the 



Fig. 13. 

 LYMPHATICS OF RIGHT ARM. 



body. Lymph passes through them on its way back 

 to the circulation, the duty of these glands being to 

 elaborate it and thus to fit it more perfectly for 

 being added to the blood by way of assisting in the 

 repair and renewal of that fluid. 



THE SPLEEN. The spleen situated to the left 

 side of the stomach may be regarded as a " blood 

 gland," and as therefore closely related in its nature 



