In the term osteomyelitis, how many word elements are present?

in the term osteomyelitis, there are three elements. this term used in medical. osteomyelitis is caused by bacteria. it is an infection of the bone. it occurs at any age. infection can reach a bone bye traveling the bloodstream or spreading from nearby tissue. there are following symptoms of osteomyelitis i. e, fever, irritability, fatigue, lost range of motion.