What bones contribute to the elbow joint? Name all parts of the elbow.

The bones that contribute to the elbow joint are the humerus, radius, and ulna.

The elbow joint consists of three main parts:
1. Humeroulnar joint: the articulation between the trochlea of the humerus and the trochlear notch of the ulna.
2. Humeroradial joint: the articulation between the capitulum of the humerus and the head of the radius.
3. Proximal radioulnar joint: the articulation between the radial notch of the ulna and the head of the radius.