Skeleton intervertebral discs. It is not as hard and rigid as bone but is stiffer and less flexible than muscle. Cartilage is composed of specialized cells called chondrocytes that produce a large amount of extracellular matrix composed of Type II collagen (except Fibrocartilage which also contains type I collagen) fibers, abundant ground substance rich in proteoglycan, and elastin fibers. Cartilage is classified in three types, elastic cartilage, hyaline cartilage and fibrocartilage, which differ in the relative amounts of these three main components. Unlike other connective tissues, cartilage does not contain blood vessels. The chondrocytes are supplied by diffusion, helped by the
This Is It and I Am It and You Are It and So Is That and He Is It and She Is It and It Is It and That Is That This Is It and I Am It and You Are It and So Is That and He Is It and She Is It and It Is It and That Is That This Is It and I Am It and You Are It and So Is That and He Is It and She Is It and It Is It and That Is That is the second album by Marnie Stern, released on October 7, 2008 on Kill Rock Stars. The album's title comes from an Alan Watts quote in his work "On the Taboo Against Knowing Who You Are" (1966), which