Endochondral Elongation at the Medial Clavicular Physis: A Closer Look at the Last Growth Plate in the Body

The medial clavicular epiphysis is the last physis in the human skeleton to fuse, and its biology behaves differently from the long bones of the lower limb for reasons rooted in embryology. A clinical overview of how elongation occurs at this site, what regulates it, and why the topic has drawn research interest from outside traditional orthopedics.