1. a light glass formed on the surface of some lavas; used as an abrasive. Familiarity information: PUMICE used as a noun is very rare. â¢ PUMICE (verb) The verb PUMICE has 1 sense: 1. rub with pumice, in order to clean or to smoothen. Familiarity information: PUMICE used as a verb is very rare.
ECM of articular cartilage. -collagen (Type II) that is dispersed throughout ground substance and produces strong tensile resistance to stress-Proteoglycans (aggrecans) that form strong, permeable fiber and attracts lots of water-water and dissolved electrolytes.one 1-superficial zone where fibers are parallel to surface Zone 2-middle zone where fibers are randomly oriented Zone 3-Deep zone of cartilage where fibers are vertically oriented.
Intra-articular bodies are composed of cartilage or cartilage and bone and result form any process that leads to disruption of the articular surface. They derive nutrition from synovial fluid and contain any of the cells of bone or cartilage. wide range of conditions can lead to the development of intra-articular loose bodies: 1  osteochondral fractures. 2  osteochondritis dissecans. 3  pigmented villonodular synovitis (PVNS). 4  osteoarthritis or severe degenerative disease. 5  intra-articular fracture fragments. 6  synovial osteochondromatosis. 7  neuropathic joints.