Schindylesis

Schindylesis is a type of joint in the human body. It is a type of fibrous joint where the articulating bones fit into each other in a manner similar to a mortise and tenon joint in carpentry. The term "schindylesis" comes from the Greek word "schindyleo", which means "to cleave".

The most notable example of a schindylesis joint in the human body is the Pterygoid process of the sphenoid bone with the vomer at the roof of the nasal cavity. This joint allows for very limited movement, which is typical of fibrous joints.

Structure

The schindylesis joint is characterized by the articulating bones fitting into each other. This is similar to a mortise and tenon joint in carpentry, where a projection on one piece of wood fits into a groove on another piece of wood. In the case of the schindylesis joint, the articulating bones are held together by fibrous tissue, which allows for very limited movement.

Function

The primary function of the schindylesis joint is to provide stability. Due to the nature of the joint, movement is very limited. This is beneficial in areas of the body where stability is more important than mobility, such as the roof of the nasal cavity.

Clinical significance

Due to the limited movement of the schindylesis joint, it is not commonly associated with joint-related disorders. However, trauma or disease can potentially affect the joint, leading to conditions such as ankylosis, which is the fusion of the joint, resulting in loss of mobility.

See also

• Fibrous joint
• Sphenoid bone
• Vomer

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