Cartilage as the cricoid cartilage and carina. Cartilage is composed of specialized cells called chondrocytes that produce a large amount of collagenous extracellular matrix, abundant ground substance that is rich in proteoglycan and elastin fibers. Cartilage is classified in three types, "elastic cartilage", "hyaline cartilage" and "fibrocartilage", which differ in relative amounts of collagen and proteoglycan. Cartilage does not contain blood vessels (it is avascular) or nerves (it is aneural). Nutrition is supplied to the chondrocytes by diffusion. The compression of the articular cartilage or flexion of the elastic cartilage generates fluid flow, which assists diffusion of nutrients to the chondrocytes.
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 was in turn a quotation from James Broughton's "The Bard and the Harper" (1965). Broughton also used the quote in his art film "This Is It" (1971). Pitchfork named "This Is It..." the 44th greatest album of 2008. 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