rhizoverbBeta
DictionaryulnaForearm bone
noun

ulna

UL-nuh/ˈʌlnə/

The forearm bone on the little-finger side.

The anatomical model highlights the ulna on the little-finger side.

An isolated anatomical forearm-bone model with the ulna subtly emphasized beside the radius, showing its large elbow end and its position on the little-finger side of a lightly drawn skeletal hand.
Etymology
ulnaLatinelbow

Latin ulna meant “elbow.” Medical usage specialized this regional name to the inner forearm bone, connecting the bone’s name with the joint at its upper end.

In context

Zero To Finals4:18
the humerus meets the radius and the ulna bones at the elbow joint looking a bit closer at the wrist the radius and the ulna connect to the carpal bones
Anatomy of the Skeleton

More examples

  • The diagram places the ulna on the little-finger side of the forearm.
  • She identified the ulna beside the radius on the model.
  • The surgeon examined the upper end of the ulna.

Forms

ulna · ulnae · ulnas

Similar words

radius
The radius lies on the thumb side; the ulna lies on the little-finger side.