Facet

Facet is a term used in anatomy to describe a small, smooth, flat surface on a bone or other hard body part. Facets are often found where two bones meet to form a joint. The term is derived from the Latin word "facies", meaning face.

Structure

Facets are typically flat or slightly curved surfaces that allow for the articulation of bones. They are covered in a thin layer of cartilage to reduce friction and facilitate movement. The size and shape of a facet can vary greatly depending on its location and function. For example, the facets on the vertebrae in the spine are large and oval-shaped to allow for a wide range of motion, while the facets on the wrist bones are small and round to provide stability.

Function

The primary function of a facet is to form a joint with another bone. This allows for movement and provides stability to the skeletal structure. Facets also play a role in limiting the range of motion of a joint, preventing excessive movement that could lead to injury.

Clinical significance

Facet joints can be affected by various medical conditions, including arthritis, facet syndrome, and spinal stenosis. These conditions can cause pain, stiffness, and reduced mobility. Treatment options for facet joint disorders include physical therapy, medication, and in some cases, surgery.

See also

• Facet joint
• Facet syndrome
• Spinal stenosis

References

Facet Resources
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