the vertebral column, also known as the backbone or spine. the human vertebral column and its regions coccyx, sacrum

osteoporosis science medically process chiropractic physiotherapy chart education text vector treatment intervertebral orthopedic scheme segments body poster structure diagram illustration skeletal medical system disc cervical health medicine skeleton bone anatomical vertebral column backbone spine human region coccyx sacrum lumbar thoracic ervical vertebrae spinal lateral anatomy vertebra cord