basal ganglia: A portion of the brain that is involved in controlling smooth movement.

 

biofeedback: A system that allows an individual patient to see visual or auditory signals that reflect their own level of physiologic or brain activity. 

 

BMP, Bone morphogenetic protein: A natural or synthetic protein that acts to promote the grown of bone.

 

bone graft: A piece of bone placed at a site where bone fusion is intended to grow.

 

bone spurs or osteophytes: Abnormal extensions of the normal contour of a bone or vertebrae, associated with degenerative change.

 

brachial plexus: A group of nerves between the cervical spine and the shoulder, that carries the connections that operate the arms and hands.

 

bradykinins: Chemicals released by the body at the site of injury.