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
Pair-non-Pair that ever existed in Eurasia with antlers spanning to up to 3.50 meters in length. In addition to the wall art, balls of ochre and shoulder blades of cattle that had been used as pallets were found. Carved and cut bones, stone and bone beads and even a flute made of vulture bone came to light, all lending credence to the idea, that the occupants of Pair-non-Pair had a desire to deal with symbolism and aesthetics in a number of ways. The only decorated cave open to the public in the Gironde region can be visited all year round. The