The sliding joints between adjacent vertebrae.

The facets are the bony knobs that meet between each vertebra of the spinal column. They extend and overlap each other to form a joint between the neighboring vertebra facet joints. The facet joints give the spine its flexibility.

a joint located between the

See Zygapophyseal joint.

(FASS-ett) — The facet joints consist of bony projections from the top of a vertebra, the concave receptacles in the vertebra immediately above in which those projections fit, and the intervening cartilage and lubricating fluid.

Each of four joints formed above and below and on either side of a vertebra. The lower bony projection of one vertebra meets the upper projections of the vertebra below it, forming facet joints.

(FAS-ut joint). A joint between two adjacent vertebrae. Each vertebra is connected at the intervertebral disk in the front and the two facet joints in the back.