The space in the parentheses filled in.
Lymph that remains in the interstitial spaces of your left thumb after the sliver has been removed would first be collected by ( ). These drain into larger and larger ( ) which then connect to ( ) where filtration and pathogen removal takes place. The cleaned lymph is then passed into the larger lymphatic trunk called the ( ). It drains into the ( ) near the ( ), once again becoming part of the blood ( ).