Radial tuberosity
Encyclopedia
Beneath the neck of the radius
, on the medial side, is an eminence, the radial tuberosity; its surface is divided into:
Radius (bone)
The radius is one of the two large bones of the forearm, the other being the ulna. It extends from the lateral side of the elbow to the thumb side of the wrist and runs parallel to the ulna, which exceeds it in length and size. It is a long bone, prism-shaped and slightly curved longitudinally...
, on the medial side, is an eminence, the radial tuberosity; its surface is divided into:
- a posterior, rough portion, for the insertion of the tendon of the biceps brachii.
- an anterior, smooth portion, on which a bursaBursa (anatomy)A bursa is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of slimy fluid . It provides a cushion between bones and tendons and/or muscles around a joint. This helps to reduce friction between the bones and allows free movement...
is interposed between the tendon and the bone.