diarthrosis
/ˌdaɪɑrˈθroʊsɪs/
noun
- A type of joint in the body that allows free movement, such as the knee or shoulder.
- The knee is a diarthrosis that allows you to bend and straighten your leg.
- Diarthroses are also called synovial joints because they contain synovial fluid.
- In anatomy class, we learned that the shoulder is a diarthrosis with a wide range of motion.