What does the root word 'spondylo-' refer to?

The root word 'spondylo-' specifically refers to the spine or vertebrae. This root originates from the Greek word "spondylos," which means vertebra. It is commonly used in medical terminology, particularly in fields related to orthopedics and chiropractic care, to describe conditions, treatments, or anatomical references involving the spine. Examples include words like "spondylitis," which refers to inflammation of the vertebrae, and "spondylosis," which denotes degenerative changes in the spine. Understanding this root provides clarity in interpreting medical terms and their relevance to conditions that affect spinal health. The other choices relate to different anatomical or descriptive terms that do not align with the specific meaning of 'spondylo-'.