The surface of the superior articular will work right above the inferior surface in a vertebra. This is not true in the atlas.
The axis (second cervical vertebra) has a small flat articular surface called the odontoid process or dens which articulates with the atlas (first cervical vertebra) to allow for rotation of the head.
The superior articular process of the sacrum articulates with the inferior articular process of the last lumbar vertebra (L5) to form the lumbosacral joint.
the transverse process and the articular process also spinous process
superior articular process
Articular cartilage
The inferior process of the superior thoracic vertebrae articulates with the superior process of the vertebra one level below, forming a facet joint that allows for movement and stability in the spine.
The apophyseal joints are synovial joints in the vertebral column, between the superior or cranial articular process of one vertebra and the inferior or caudal articular process of the vertebra directly above it. See the link below:
No, the atlas bone does not have a spinous process. It is the first cervical vertebra that supports the skull and allows for nodding movements of the head.
The odontoid process, also known as the dens, is derived from the first cervical vertebra (C1), which is called the atlas. During development, the dens of the axis (C2) separates from the atlas and forms as a distinct bony process.
The embryonic body of the atlas fuses with the axis to form the odontoid process or dens. This process helps to stabilize the joint between the atlas and axis, allowing for rotation of the head.
Articular Cartilage