The joints are a junction, or wthe articulation of where two bones meet. Cartlidge sis the substance that covers the surface of a bone at the joint.
Ligaments and tesnsons are type of strong and dense connective tissue. Ligaments connect bones to bones. Tendons connect muscles to bones.
The first type is called synarthroses. This are sometimes thought of as being syarthoses, because they have little or no movement. The sutures of the skull are a good example.
There’s amphiarthroses joints. Amphi means stiff and slightly movable. The vertebral joints are an example.
There’s synovial joints, sometimes called diarthroses. There’s a ball and socket synovial joint. There’s shoulder and hip joints as an example.
Hinge joints, elbows and knees are an example. They move in one dimension, like a door hinge. In the joint is a fluid called synoval fluid that lubircates the ojints, it’s in the synoval capsule that surrounds the joint. There is also something called articular cartlidge, specifically called hyaline cartlidge. All cartlidge lacks blood vessels.
One common condition is when the joints inflame is called arthritis. The suffix -itis designates inflammation, and arth as a joint.