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ELEMENTS OF MAMMALIAN ANATOMY 



its openings into the external jugular vein near the common 

 jugular and jugulo-subclavian junctions. The caudal end of 

 the thoracic duct is expanded, forming the rcceplaculum chyli. 

 Numerous valves are present in the duct, and give to it a 

 moniliform or beaded appearance. It receives all the lymph 



Fig. 92. — Photograph of Lymphatic Capillaries Injected with Berlin 

 Blue. They lie immediately beneath the skin on the outer aspect of the 

 ear. 



a. Point of injection; the black area is Berlin blue lying in the connective- 

 tissue spaces from which the capillaries arise; n, injection escaped from ruptured 

 vessel. 



from the left abdominal wall, both pelvic extremities, a large 

 part of the thoracic wall, and the thoracic and abdominal 

 viscera. 



There is considerable variation in the number and position 

 of the lymphatico-venous connections in mammals. Usually, 



