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 (1993 film) Thicker than Water (1993 film) Thicker than Water is a 1993 Welsh thriller television film directed by Marc Evans and starring Theresa Russell, Jonathan Pryce, Robert Pugh and Catherine Neilson. It is based on the novel of the same name by Dylan Jones, about a Welsh doctor who attempts to put his life together after the death of his pregnant wife. Debbie and Jo (both portrayed by Theresa Russell) are identical twins. Jo is killed in a car accident, and her husband, Cardiff physician Sam Crawford (Jonathan Pryce) is grieving for her. Despite this, Debbie starts to act increasingly like