ramification

Short definition from Wiktionary

Noun

1. 1
   A branching-out, the act or result of developing branches; specifically the divergence of the stem and limbs of a plant into smaller ones, or of similar developments in blood vessels, anatomical structures etc.
2. 2
   An offshoot of a decision, fact etc.; a consequence or implication, especially one which complicates a situation.
3. 3
   An arrangement of branches.