Orthopedic Trauma Glossary
100 terms total — 2 showing — Last updated 15 Sep 2026
Zone of polarizing activity ZPA
Embryonic signaling center controlling digit pattern formation during limb development.
intra-articular fracture
Fracture extending into a joint surface, potentially affecting joint mechanics and function.
periarticular fracture
Fracture occurring near but not necessarily involving a joint surface.