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ulna

ulna

10 5.8
The longer inner bone in the forearm from elbow to wrist opposite the thumb
  • noun
  • /ˈʌlnə/
  • Specialized
translation icon : cúbito
  • Significant anterior angulation and displacement of the ulna were noted.
  • ulna fracture
  • distal ulna
  • radius and ulna

Examples

  • My then five-year-old had a fractured ulna and radius acquired from a fall at the playground.

    Blog text (14)
  • That might be a fractured ulna.

  • She broke her arm left ulna near the elbow.

  • Fractures of the forearm in an adult may involve the ulna, the radius, or both, or one may be fractured and the other dislocated. Because the ulna and the radius are joined by the interosseous membrane, injury to one often also affects the other.

    Academic text (2003)
  • The doctor explained that he had broken his ulna in a fall while playing football.

  • After the accident, the X-ray showed a fracture in her ulna near the elbow.

  • In anatomy class, we studied how the ulna connects the elbow to the wrist on the inner side.

Synonyms

arm bone
vsulna
2 2.7

A bone that forms part of the arm, for example the humerus, radius or ulna

is one specific long bone within that limb rather than any bone
elbow bone
vsulna
3.0

The inner longer bone of the forearm between the elbow and the wrist

is the formal anatomical name for the same bone

Surface Forms

ulna singular
ulnas plural
ulnae plural

Etymology

The word ulna comes from the Latin word ulna, which meant 'forearm' or 'elbow'. That's why the name is used for the long bone on the inner side of the arm from elbow to wrist.