Articular Process Of Vertebrae

A prominent spinous process in the middle and two transverse processes on the sides. If you fracture this part of the vertebrae its usually not too serious.

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Distinguishing features of the lumbar vertebrae include a thick and stout vertebral body a blunt quadrilateral spinous process for the attachment of strong lumbar muscles and articular processes that are oriented differently than those found on the other vertebrae.

Articular process of vertebrae. Similar to articular processes discussed above spinous and transverse processes are projections of bone that emanate off the bony ring in the back of the vertebral body. The transverse processes also serve as muscle and ligamentous attachment sites including the intertransverse ligaments. Body or shaft long curved portion of the rib. Innerbody Research is the largest home health and wellness guide online helping over one million visitors each month. A bone graft may fill an area where. A facet joint is comprised of two bony knobs.

This vertebrae will most closely resemble a lumbar vertebra also by its transverse process that is subdivided into 3 elevationsthe superior. The articular processes or zygapophyses Greek ζυγον yoke because it links two vertebrae απο away φυσις process of a vertebra are projections of the vertebra that serve the purpose of fitting with an adjacent vertebra. Where the knobs come together they connect two of your vertebrae. These protrusions serve as attachment points for ligaments. For a basic anatomic description of the structure a generic vertebra see vertebrae. The facet is convex faces outward laterally and articulates with the superior articular facet on the vertebra below.

C1 atlas and C2 axis have very distinct anatomical features. The superior face backward upward and slightly medially. The surfaces of the facet joints are covered by articular cartilage. There are two facet joints between each pair of vertebrae with one facet joint of the pair on each side of the spine. The multifidus muscle attaches to the mammillary process and this muscle extends through the length of the vertebral column giving support. Its also used for growing bone around an implanted device.

Atlas lacks a spinous process while axis consists of a large very strong and deeply channelled spinous process. Superior and inferior articular processesfacets. Its spinous process on the other hand is smaller than in the other lumbar vertebrae with a wide four-sided shape that comes to a rough edge and a thick notch. Transverse foramina holes in the transverse processes. Of the seven cervical vertebrae C3 through C6 have typical anatomy while C7 looks very similar. The transverse processes are long slender bony projections.

Superior and Inferior Articular Disks. Major fracture means that part of the vertebral body the pedicles or the lamina has fractured. Lumbar vertebrae are the heaviest and largest among three types and they form the spine in the. L5 and S1 vertebrae. They give passage to the vertebral artery vein and sympathetic nerves. Bifid spinous process this is where the spinous process splits into two distally.

On each vertebra there are two transverse processes and one spinous process. Ribs 11 and 12 do not have necks or tubercles and the anterior tips of their bodies lack an articular surface. The superior or upper tubercle is the mammillary process which connects with the superior articular process. The superior and inferior articular processes of cervical vertebrae have fused on either or both sides to form articular pillars columns of bone that project laterally from the junction of the pedicle and lamina. These are a lateral costiform process a mammillary process and an accessory process. T1 features a superior articular process resembling those of the cervical vertebrae while the inferior articular process of T12 resembles those of the lumbar vertebrae.

Spinous and transverse processes look a little like fingers. At the junction of the pedicle and lamina on the right and left sides bony protrusions project upward and downward called the superior and inferior articular process. The vertebrae have seven processes that jut out from their central body including the main spinous process four articular processes and two transverse processes. The spinous process serves as an attachment point for muscles. Cervical vertebrae are in the neck region of the midline of the body. L5 consists of a vertebral body in front and an arch in the back that has 3 bony protrusions.

Twelfth thoracic vertebrae T12. T12 is similar to T11 but can be distinguished by its inferior articular surfaces which are convex and directed lateralward similar to those of lumbar vertebrae. These are similar to the ribs found in the thoracic vertebrae but are shorter and smaller. The T1 and T12 vertebrae are the exceptions to this rule. These processes form facet joints zygapophysial joints with the adjacent upper and lower vertebrae. They act as sites of attachment for deep back muscles.

The cervical vertebrae have three main features which distinguish them from other vertebrae. The lumbar vertebrae have processes similar to those of the other vertebrae. The inferior articular process Processus articularis inferior is an inferior projection from the juntion of the pedicle and lamina. The fifth lumbar vertebra is distinct from the L1-4 vertebrae in being much larger on its front side than in the back. Fracturing the vertebral body is considered major because it. Mammillary processes can be found on the posterior surface of each superior articular process.

It has a notably large vertebral body and transverse processes as it carries the weight of the entire upper body. They have a thick broad spinous process with sets of articular processes that project between the pedicles and laminae. The spinous process is another difference between atlas and axis vertebrae. The heads of ribs 1 10 11 and 12 have a single facet for articulation with the bodies of the thoracic vertebrae. Bone grafting or transplanting of bone tissue is used to fix damaged bones or problem joints. The posterior elements include the spinous process and the facet joints also called the articular processes.

Bone Markings of Ribs 3-9. It has 7 cervical vertebrae 12 thoracic vertebrae and 5 lumbar vertebrae. The L5 and S1 vertebrae have different features. The fifth lumbar vertebrae L5 has some distinctive characteristics of its own. Articular processes spring from the junctions of the pedicles and laminæ and there. The articular facets are flat and of an oval form.

Thoracic vertebrae have articular facets for ribs and all ribs are attached to thoracic vertebrae. The actual region of contact is called the articular facet.

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