MICROANATOMY

Detailed explanation-1: -pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.

Detailed explanation-2: -A pivot joint permits movement of the bones in one plane, such as rotation around a single axis. In the human body, the joint of the wrist that lets the palm of the hand move up and down is possible because of pivot joints.

Detailed explanation-3: -Gliding joint – or plane joint. Smooth surfaces slip over one another, allowing limited movement, such as the wrist joints.

Detailed explanation-4: -Freely movable joints are the joints that solely help in the movement of the structure or organ in which they are present. Four freely movable joints present in our body are Ball and socket joint, Pivot joint, hinge joint and gliding joint.