Explain the diversity of the ECM.
a. The matrix can become calcified to form the bones or teeth, or transparent to form the cornea, or it can adopt the ropelike organization that gives tendons their enormous tensile strength. It is more than a physical support. It has an active and complex role in regulating the behavior of the cells that touch it, inhabit it, or crawl through its meshes, influencing their survival, development, migration, proliferation, shape, and function