In embryos of amphibians the notochord develops into the backbone. The notochord is comprised of cells and defines the primitive axis of the embryo.
Arthritis is common in the spine's bones. Scoliosis is a disorder of the spine that makes the spine bend unnaturally.
as a backbone
Seeds often from trees
Backbone cabling
hurricanes
the Andes of a mountain
The Pennines.
In vertebrates, a backbone of bone or cartilage segments called vertebrae develops around the notochord. Hope i could help
Animals that lack a backbone (and often any skeleton) are invertebrates.
The Carbon atom usually forms the backbone of polymers and quite often oxygen can do also as in polyether polyols etc.
The carbohydrate molecule is often referred to as the backbone of biological molecules as it is essential for storing and providing energy. However, carbohydrates are often not represented in diagrams of biological molecules for simplification purposes.