What does osteophyte mean?
An osteophyte is a small bony projection that forms at the edge of a bone or joint. The word is used particularly in discussions of osteoarthritis, where the body may produce extra bone around the margins of a joint as degenerative changes develop. Osteophytes are especially common in the spine and may be identified on X-rays or CT scans. Although they are often called bone spurs, osteophyte is the more precise medical term. Not every osteophyte causes symptoms, but larger growths can contribute to pain, stiffness, reduced movement, or irritation of nearby nerves. In clinical writing, the term is usually paired with anatomical locations such as vertebral, cervical, or marginal. Understanding the word is useful because it describes a characteristic structural change often seen in joint and spinal imaging, while distinguishing that change from other forms of bone growth or from an acute fracture.
nounAn osteophyte is a bony outgrowth or spur that develops at the margin of a bone or joint, commonly in the spine and often in association with degenerative joint changes. The term is especially used in radiology and orthopaedics.
- A bony spur or outgrowth, especially at the edge of a joint or vertebral body.
"The scan showed several osteophytes along the margins of the cervical vertebrae."
"Osteophytes may become visible on an X-ray as small bony projections around a joint."
"The orthopaedic surgeon discussed the removal of painful osteophytes in her neck."
The plural is used when referring to multiple bony spurs or outgrowths.
"Several osteophytes were noted along the vertebral margins."
An osteophyte is a literal “bone growth”: its name combines the Greek roots for bone and plant, reflecting the way new bone can grow outward from a joint.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does osteophyte come from?
The word osteophyte comes from Greek osteon, meaning “bone,” combined with a form derived from Greek phyton, “plant,” together conveying a growth resembling a plant growing from bone. In medical usage, the term developed for a bony projection that grows from the margin of a bone or joint. Its components belong to wider Greek-derived medical vocabulary, including osteoblast, osteotomy, and osteoporosis.
Related word forms
How osteophyte is actually used
Osteophyte is a medical term and is more specific than the general expression bone spur. It commonly refers to a marginal bony projection associated with osteoarthritis or related degenerative change, although it is also used more broadly for abnormal bony growths around joints.