It isn't: Between each bony vertebra (6 cervical-neck, 12 thoracic-chest, 5 lumbar), there is a cartilaginous disc. Over time these discs can degenerate, collapse, thin down, but don't disappear; that would mean one has bone on bone, which perhaps could happen with some discs, but never with all.
Answered 12/9/2022
6k views
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question