<Li> polyarticular--concerning 5 or more joints </Li> <P> Structural classification names and divides joints according to the type of binding tissue that connects the bones to each other . There are three structural classifications of joints: </P> <Ul> <Li> fibrous joint--joined by dense regular connective tissue that is rich in collagen fibers </Li> <Li> cartilaginous joint--joined by cartilage . There are two types: primary cartilaginous joints composed of hyaline cartilage, and secondary cartilaginous joints composed of hyaline cartilage covering the articular surfaces of the involved bones with fibrocartilage connecting them . </Li> <Li> synovial joint--not directly joined--the bones have a synovial cavity and are united by the dense irregular connective tissue that forms the articular capsule that is normally associated with accessory ligaments . </Li> <Li> facet joint--joint between two articular processes between two vertebrae . </Li> </Ul> <Li> fibrous joint--joined by dense regular connective tissue that is rich in collagen fibers </Li>

The only type of articulation with a joint cavity is a