BIOLOGY 20 Lecture Notes - Lecture 16: Proximal Radioulnar Articulation, Carpometacarpal Joint, Fibrocartilage
Document Summary
Rounded head of radius pivoting along ulna. Permits thumb to move toward other fingers. Head ofone bone fitting into cuplike socket. Different types of joints wont test on them. Normal disk was made up of fibrocartilage. Center gelatinous made up of nucleuspolposus. When it does bulging of disc nucleuspolposus gel like comes oozing out. Most of herniation is posterior into vertebral canal (spinal cord) Overfull and don"t drain fast enough stretching of nerve endings painful or pus (collection of dead white blood cells trying to deal with infection) Pressure on joint wearing tight shoes or stilletos bone grow a little more. Enlarges and swells ,soft tissue inflamed and painful. Shave bone down because you cant wear shoes/pain becomes too much. Strain excessive stretching of a ligament. Stopping whatever motion you have been doing. Avascular 6 months to a year to fully heal. Temporary or partial dislocation of a joint. As population ages and doesn"t die we have to work with.
