

-Plexu5 v.es 



Fig. 8. — Embryo IS mm. long. Enlarged 12 times. 



Only most superficial vessels are shown. 



V.te, thoraco epigastric vein ; V.mi, internal mammary vein ; MR, membrana 

 reunions; Plextis V.es, plexus of superficial epigastric vein; V.u, umbilical 

 vein. 



