What is the definition or description of: facet joints?

Facet joints: Articulating, encapsulated surfaces between 2 vertebral bodies.

Connects the spine: Also known as zygoapophyseal joints, these are the joints along the spine that connect the vertebrae together. Vertebrae sit on discs but the spinous processes connect at the facet joints. Sometimes these joints develop arthritis and can pinch nerves exiting the spine.

Spine Joints: Facet joints are places on the spinal bones where two bones actually meet and articulate. Many times arthritis or inflammation can arise here and cause pain.