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- Articular process
- Joint
- Process (anatomy)
- Vertebra
- Articular bone
- Facet joint
- Lumbar vertebrae
- Spinal column
- Sacrum
- Atlas (anatomy)
- Articular process - Wikipedia
- The Vertebral Column - Joints - Vertebrae - Vertebral Structure
- Articular Processes - an overview | ScienceDirect Topics
- 7.3: The Vertebral Column - Medicine LibreTexts
- Vertebral Column: Anatomy, vertebrae, joints & ligaments - Kenhub
- Normal Anatomy of the Spine: What You Need to Know
- 7.4 The Vertebral Column – Anatomy & Physiology
- Intervertebral joint: Bones, ligaments, movements | Kenhub
- Articular process Definition & Meaning - Merriam-Webster
- Superior articular process of vertebra - e-Anatomy - IMAIOS
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The articular process or zygapophysis (Greek: ζυγόν, romanized: zugón, lit. 'yoke' + apophysis) of a vertebra is a projection of the vertebra that serves the purpose of fitting with an adjacent vertebra. The actual region of contact is called the articular facet.
Articular processes spring from the junctions of the pedicles and laminæ, and there are two right and left, and two superior and inferior. These stick out of an end of a vertebra to lock with a zygapophysis on the next vertebra, to make the backbone more stable.
The superior processes or prezygapophysis project upward from a lower vertebra, and their articular surfaces are directed more or less backward (oblique coronal plane).
The inferior processes or postzygapophysis project downward from a higher vertebra, and their articular surfaces are directed more or less forward and outward.
The articular surfaces are coated with hyaline cartilage.
In the cervical vertebral column, the articular processes collectively form the articular pillars. These are the bony surfaces palpated just lateral to the spinous processes.
Additional images
See also
Pars interarticularis
Zygapophyseal joint
References
This article incorporates text in the public domain from page 97 of the 20th edition of Gray's Anatomy (1918)
External links
aplab - BioWeb at University of Wisconsin System
Articular processes - BlueLink Anatomy - University of Michigan Medical School
Atlas image: back_bone28 at the University of Michigan Health System - "Lumbar Vertebral Column, Posterolateral View"
Anatomy figure: 02:01-09 at Human Anatomy Online, SUNY Downstate Medical Center - "Superior and lateral views of typical vertebrae."
Photo of model at Waynesburg College skeleton2/inferiorarticularprocess
Photo of model at Waynesburg College skeleton2/superiorarticularprocess
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Articular process - Wikipedia
The articular process or zygapophysis (Greek: ζυγόν, romanized: zugón, lit. 'yoke' + apophysis) of a vertebra is a projection of the vertebra that serves the purpose of fitting with an adjacent vertebra. The actual region of contact is called the articular facet. [1]
The Vertebral Column - Joints - Vertebrae - Vertebral Structure
Jan 6, 2025 · Articular processes – form joints between one vertebra and its superior and inferior counterparts. The articular processes are located at the intersection of the laminae and pedicles. Superior view of a lumbar vertebrae, showing its characteristic features.
Articular Processes - an overview | ScienceDirect Topics
Articular Processes are bony projections found in the spine that include superior articular processes, which slant backward and slightly outward, and inferior articular processes, which face forward, slightly downward, and inward. You might find these chapters and articles relevant to …
7.3: The Vertebral Column - Medicine LibreTexts
May 13, 2022 · Arising from the vertebral arch are the laterally projecting transverse processes and the posteriorly oriented spinous process. The superior articular processes project upward, where they articulate with the downward projecting inferior articular processes of …
Vertebral Column: Anatomy, vertebrae, joints & ligaments - Kenhub
Sep 12, 2023 · Vertebral processes - there are seven in total all projecting from the vertebral arch: one spinous process (posteroinferior), two transverse processes (posterolateral), and four articular processes. The latter contain articular facets.
Normal Anatomy of the Spine: What You Need to Know
Mar 7, 2017 · The superior and inferior articular processes form the articular pillars (AP). Notice the triangular appearance of the spinal canal (C). The spinous process (SP) is usually bifid from C3 to C6.
7.4 The Vertebral Column – Anatomy & Physiology
The superior articular processes face upward and are deeply curved for articulation with the occipital condyles on the base of the skull. The inferior articular processes are flat and face downward to join with the superior articular processes of the C2 vertebra.
Intervertebral joint: Bones, ligaments, movements | Kenhub
Oct 26, 2023 · The articular surfaces of the thoracic articular processes are thin and almost flat. The corresponding articular surfaces start projecting more medially in the coronal plane; the superior ones are directed posteriorly and superolaterally, while …
Articular process Definition & Meaning - Merriam-Webster
6 days ago · The meaning of ARTICULAR PROCESS is either of two processes on each side of a vertebra that articulate with adjoining vertebrae.
Superior articular process of vertebra - e-Anatomy - IMAIOS
The articular processes, two superior and two inferior, spring from the junctions of the pedicles and laminæ. The superior project upward, and their articular surfaces are directed more or less backward; the inferior project downward, and their surfaces look more or less forward.