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.
There are three major types of cartilage: hyaline cartilage, fibrocartilage, and elastic cartilage. Hyaline Cartilage Hyaline cartilage is the most widespread cartilage type and, in adults, it forms the articular surfaces of long bones, the rib tips, the rings of the trachea, and parts of the skull.