In another type of systemic scleroderma, known as diffuse cutaneous systemic scleroderma, the fibrosis affects large areas of skin, including the torso and the upper arms and legs, and often involves internal organs.n the third type of systemic scleroderma, called systemic sclerosis sine scleroderma (sine means without in Latin), fibrosis affects one or more internal organs but not the skin.
The UCL, or ulnar collateral. ligament, is located in. the middle thumb joint, and provides support to. the thumb during grip. and pinch. It is the most. common ligament injury.
19. The ulnar artery is the branch of the brachial artery that passes down the little finger (medial) side of the forearm to the wrist. Both the radial and ulnar arteries supply blood to the forearm, and they unite to form the deep and superficial palmar arches in the hand. 20. The palmar arches are arterial loops, formed by the union of the radial and ulnar arteries. They are located at different levels within the hand (palm); the digital (finger) arteries arise from these arches.