Term Name:	vertebral arch joint
Synonyms:	articulationes zygapophysiales, facet joint, joint of vertebral arch, joint of vertebral articular process, spinal facet joint, zygapophyseal joint, zygapophysial joint
Definition:	A synovial joint between the prezygapophysis of one vertebra and the postzygapophysis of the vertebra directly above it. There are two facet joints in each spinal motion segment[WP].
Ontology:	Uberon Ontology [UBERON:0001067]