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
It Grows on Trees believe. Other cast members include: Joan Evans, Richard Crenna, Edith Meiser, Les Tremayne, Forrest Lewis, Frank Ferguson, Bob Sweeney, Malcolm Lee Beggs, and Dee Pollock. "It Grows on Trees" was presented on "Radio Theater" November 16, 1953. The one-hour adaptation starred Ginger Rogers and Marcia Henderson. It Grows on Trees It Grows on Trees is a 1952 fantasy comedy film directed by Arthur Lubin starring Irene Dunne in her final screen role. The story is about a couple who discover two trees in their backyard that grow money. One morning a few days after Polly Baxter (Dunne) purchased a couple