1. An appliance for preventing movement of a joint or for the fixation of displaced or movable parts.
2. The splint bone, or fibula.
3. splint bone; in veterinary anatomy, refers to the vestigial second and fourth metacarpal and metatarsal bones of horses that are closely apposed to the third metacarpal or metatarsal by a periosteum anchor.
4. In equine medicine, the term applied to the hard swelling (soft tissue inflammation and exostosis) produced by trauma or stress affecting the periosteal junction of the splint bone at the junction with the second metacarpal/metatarsal, causing localized inflammation, swelling, heat and pain; usually affects forelimb and almost always affects junction of the second and third metacarpal. Classified as high splint when proximad and low splint when present on the distal aspect of the splint bone.
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