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.
Articular cartilage is a smooth shiny material that allows the ankle. bones to slide easily over each other as the ankle moves. When a part of the dome cracks or breaks off, it. is referred to as an osteochondral fracture of the talar dome. These fractures usually occur as a result of. an ankle injury or an ankle sprain. Fractures of the talar dome are generally the result of inversion injuries of the ankle. They are located.