Radius (bone) ulna (center of the circle) to the edge of the radius (the circle). The ulna acts as the center point to the circle because when the arm is rotated the ulna does not move. In four-legged animals, the radius is the main load-bearing bone of the lower forelimb. Its structure is similar in most terrestrial tetrapods, but it may be fused with the ulna in some mammals (such as horses) and reduced or modified in animals with flippers or vestigial forelimbs. Radius (bone) The radius or radial bone is one of the two large bones of the forearm, the other
Thicker than Water (audio drama) are kidnapped. Thicker than Water (audio drama) Thicker than Water is a Big Finish Productions audio drama based on the long-running British science fiction television series "Doctor Who". It is a sequel to the earlier audio play "Arrangements for War". It is three years since the Sixth Doctor helped repel the Killoran invasion of Világ, and he brings a new friend, Mel, to meet an old one. Evelyn Smythe, his former companion is now married to Principal Triumvir Rossiter. But Evelyn has made political enemies, among them her own stepdaughter Sofia, and the reunion takes a deadly turn when Evelyn