lunate bone
Definition
- Noun:
- A small bone in the wrist: The lunate bone is one of the eight carpal bones located in the proximal row of the wrist, between the hand and the forearm. It is named for its crescent-like shape.
Usage
- The lunate bone is a specific anatomical term used primarily in medical, anatomical, and biological contexts.
- It is used to describe a part of the skeletal structure when discussing wrist anatomy, injuries, or conditions.
Examples
- Noun:
- A fracture of the lunate bone can cause significant wrist pain and instability.
- The surgeon carefully examined the position of the lunate bone on the X-ray.
- Arthritis commonly affects joints surrounding the lunate bone.
Advanced Usage
- "Lunate dislocation": A medical condition where the lunate bone is displaced from its normal position in the wrist.
- The patient was diagnosed with a perilunate dislocation, which is less severe than a lunate dislocation.
Variants and Related Words
- Os lunatum: The Latin term for the lunate bone, often used in formal anatomical nomenclature.
- Semilunar bone: An older, synonymous term for the lunate bone, referencing its half-moon shape.
- Carpal bones: The general category of eight small wrist bones to which the lunate belongs.
Synonyms
- Semilunar bone: (Historical/alternative term)
- Os lunatum: (Latin equivalent)
Related Phrases
- Kienböck's disease: A condition involving the degeneration of the lunate bone due to impaired blood supply.
- Avascular necrosis of the lunate bone is the hallmark of Kienböck's disease.
Noun
-
one of the eight small wrist bones
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