Ulnalong bone in the forearm / From Wikipedia, the free encyclopedia The ulna is one of the two bones which make up the lower forearm in tetrapods. The other one is the radius. Above them is the elbow and humerus; below are the hands or front feet. The human arm This short article about biology can be made longer. You can help Wikipedia by adding to it.
The ulna is one of the two bones which make up the lower forearm in tetrapods. The other one is the radius. Above them is the elbow and humerus; below are the hands or front feet. The human arm This short article about biology can be made longer. You can help Wikipedia by adding to it.