TEE THORACIC DUCT 



72S 



Fig. 396. 



Fi?. 397. 



Fi?. 398. 



DIFFERENT VARIETIES OF THE THORACIC DUCT IN THE HORSE. 



A, Keceptaculum chyli ; B, sublumbar branches ; C, anterior mesenteric branch ; d, posterior mesen- 

 teric branch. In Fig. 396 the duct is single, the usual condition, and enters the summit of the 

 anterior vena cava by two short branches. It is double in Fig. 397 ; and in Fig 398 it has a 

 long branch th.it arises at the entrance to the thorax and joins the duct, by a retrograde course, 

 near the pillars of tne diaphragm. 



