The junction of two or more bones or cartilages is called a joint. There are three types of joints.
1. Fibrous or Synarthrosis Joint: The joint where the bones are joined by fibrous connective tissue is called fibrous connective tissue. It is of three types. namely-
(i) Suchar (Treaty of Ten)
(ii) Syndesmosis (tibia-fibula joint)
(iii) Gomphosis (joint of teeth and jaws)
2. Cartilaginous/Amphiarthrosis/Cartilaginous Joints: Bone joints containing cartilage are called amphiarthrosis joints. It is of two types. namely-
(i) Symphysis (pubis symphysis)
(ii) Synchondrosis (joint of cartilage)
3. Synovial joint: The joint cavity containing oily and slippery fluid called synovial is called synovial joint. It is 7 types. namely-
(i) Pivot (atlas joint)
(ii) Hinge joint (elbow joint)
(iii) Ball and Cotoral Joints (Skandha/Femur Joints)
(iv) Flat joint (Carpal joint)
(v) Saddle (metacarpal joint)
(vi) Ellipsoid Joint (Carpal Joint)