part of part of connects connects vertebral arch joint http://upload.wikimedia.org/wikipedia/commons/d/d2/Gray90.png Wikipedia:Zygapophysial_joint articulationes zygapophysiales facet joint FMA:10447 MA:0001513 GAID:275 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]. joint of vertebral arch SCTID:89836005 UBERON:0001067 zygapophysial joint MESH:D021801 NCIT:C32577 spinal facet joint joint of vertebral articular process UMLS:C0224521 zygapophyseal joint prezygapophysis postzygapophysis synovial joint neural arch