The joint in which one of the two bones is fixed in its...

The joint in which one of the two bones is fixed in its place and bears a peg like process over which the other bone rotates is called
(a) hinge joint
(b) saddle joint
(c) pivot joint
(d) angular joint.

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Key Concepts

Pivot Joint

A pivot joint is a type of synovial joint that enables rotational movement around a single central axis. In this joint, one bone has a peg-like process that rotates within a socket or a ring formed by the surrounding bone and ligaments, facilitating turning motions. This type of joint structure is crucial for movements that involve twisting or rotation.

Joint Classification

Joint classification involves categorizing the connections between bones based on their structure and function. In the human body, joints are generally classified into fibrous, cartilaginous, and synovial joints, with different degrees of movement and mechanical properties depending on how the bones are connected.

Synovial Joints

Synovial joints are the most movable type of joints in the human body. They feature a fluid-filled cavity that separates the articulating bones, allowing for smooth movements. These joints are further classified based on the shape of the articulating surfaces and the type of movement they allow, such as hinge, saddle, or pivot joints.

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