DRAINAGE OF URINARY BLADDER
lymphatic vessels of the bladder run in three groups
Vessels from the superior
surface pass to the posterolateral angle
Vessels from the inferolateral
surfaces enter the superior surface.
drain into the external iliac nodes. From these nodes they drain into the
lateral aortic nodes. From the nodes, efferents issue to the lumbar lymph trunk.
The lumbar lymph trunks help to form the abdominal confluence of lymph ducts or
the cisterna chyli. Cistern chyli drains into thoracic duct.