Skeletal System
Superior Articular Process of Third Lumbar Vertebra (Left)
Processus articularis superior vertebrae lumbalis tertiae
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The superior articular processes (superior zygapophyses) are the two upwardly projecting processes located at the lateral parts of the vertebral arch of a lumbar vertebra. They extend from the junction between the pedicles and laminae.
Overall, the superior articular processes of lumbar vertebrae consist of mammillary processes and posteromedially facing superior articular facets. They articulate with the inferior articular processes of the vertebra above, forming zygapophyseal joints.
