MICROANATOMY

Detailed explanation-1: -Final answer: The pivot joint between atlas and axis is a type of option (C) synovial joint.

Detailed explanation-2: -A pivotal joint type is a joint present between the atlas/axis. The pivot joint is a joint in the vertebrate anatomy that only permits rotating movement. An example of this is the joint between the atlas and the axis, directly below the skull, which allows the head to be rotated from side to side.

Detailed explanation-3: -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.

Detailed explanation-4: -The median atlantoaxial joint is a pivot type of synovial joint. Broadly, the joint is formed by the dens of axis (odontoid process) surrounded by an osteoligamentous ring composed of the anterior arch of atlas anteriorly and the transverse ligament of atlas posteriorly.

Detailed explanation-5: -The joint between the atlas and the axis is the pivot joint.