os lunatum

Thân thiện

The os lunatum is one of the eight carpal bones in the human wrist.

Definition

1. Noun:
   • One of the eight small wrist bones: The "os lunatum" is a specific carpal bone in the human wrist, named for its crescent-like shape. It is located in the proximal row of carpal bones, between the scaphoid and triquetrum bones.

Usage Examples

• Noun:
  • A fracture of the os lunatum can cause significant wrist pain and instability.
  • The surgeon carefully realigned the dislocated os lunatum during the procedure.

Advanced Usage

• "Lunate bone": This is the more common clinical and anatomical term for the "os lunatum".
  • Avascular necrosis of the lunate bone is known as Kienböck's disease.

Variants and Related Words

• Lunate (adj/n): Crescent-shaped; often used as a shorter form for the lunate bone.
  • The lunate is a key stabilizer of the wrist joint.

Synonyms

• Lunate bone: The standard synonym in medical terminology.
• Semilunar bone: An older, less common term referencing its half-moon shape.

Related Terms (Anatomical Context)

• Carpal bones: The group of eight bones that includes the os lunatum.
• Proximal carpal row: The row of carpal bones closest to the forearm, where the os lunatum is situated.

Học thuật

Noun

1. one of the eight small wrist bones

Từ đồng nghĩa

• lunate bone
• semilunar bone