A certain joint in the body that has an articular capsule must be diarthrosis and synovial.
Diarthrosis can be defined as a special class of articulation joint that undergoes free motion/movement.
Moreover, a joint in the body that is contained in an articular capsule is a synovial articulation.
In conclusion, a certain joint in the body that has an articular capsule must be diarthrosis and synovial.
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