What are bone tumors and soft tissue tumors? Tumors are growths that are not normal. They are lumps of tissue that form when abnormal cells grow without the normal controls to stop them. In many cases ...

Arthritis, Osteoporosis Illness of Bone Joint Outline Icon. Orthopedic Health. Editable Stroke. Isolated Vector Illustration. Collagen is the main structural protein in the: connective tissu Collagen ...