| Synarthrosis | |
|---|---|
| Gray's | subject #70 284 |
A synarthrosis is a type of joint which permits very little or no movement under normal conditions. Most synarthrosis joints are fibrous.
Suture joints and synchondroses are synarthroses.[1]
Types
They can be categorised by how the two bones are joined together:
- Synchondroses are joints where the two bones are connected by a piece of cartilage.
- Synostoses are where two bones that are initially separated eventually fuse together, essentially becoming one bone. In humans the plates of the cranium fuse together as a child approaches adulthood. Children whose craniums fuse too early may suffer deformities and brain damage as the skull does not expand properly to accommodate the growing brain, a condition known as craniostenosis.
References
- ^ "Module - Introduction to Joints". http://anatomy.med.umich.edu/modules/joints_module/joints_02.html. Retrieved 2008-01-29.
External links
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