Backbone

Backbone
(Science: anatomy) The spinal column, found in vertebrate animals, which runs along the dorsal side and contains the central nerve cord (spinal cord).
The main structural feature of a polymer (chain-like) molecule from which many side chains branch off.
The series of vertebrae forming the axis of the skeleton and protecting the spinal cord; the fall broke his back.A central cohesive source of support and stability; faith is his anchor; the keystone of campaign reform was the ban on soft money; he is the linchpin of this firm.Fortitude and determination; he didn’t have the guts to try it.A bone structure found in vertebrates where series of vertebrae are positioned in a column with the primary function of protecting the spinal cord and maintaining structure of the organism.