DE\TELOPMENT LYMPHATIC SYSTEM IN AMNIOTES 



311 



t 

 20 D 



Figures 20 C and 20 D 



1, Aorta 6, Extra-intimal perivenous lymphat- 



2, Azygos veins ic spaces, the aniages of the tho- 

 5, Temporary ventro-mcdial azygos racic ducts 



tributary plexus 7, Thoracic ducts 



