What does the combining form 'oste/o' refer to?

The combining form 'oste/o' specifically refers to bone and is derived from the Greek word 'osteon,' which means bone. In medical terminology, it is used to create terms related to bones and the skeletal system. For instance, 'osteoporosis' refers to a condition characterized by weakened bones, and 'osteopathy' pertains to a branch of medicine focused on the skeleton and its function. This foundational understanding is crucial in interpreting various medical terms and in fields related to orthopedics, rheumatology, and other areas concerning bone health.