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.
Focal defect of the cartilage. Defect of the articular cartilage due to any inflammation, injury or trauma causing partial or full thickness cartilage defect in a well defined focal area.These changes in the articular cartilage usually develop as a result of a major trauma and may affect almost any joint in the body.ocal defect of the cartilage. Defect of the articular cartilage due to any inflammation, injury or trauma causing partial or full thickness cartilage defect in a well defined focal area.