What is the coffin bone of a horse?

The coffin bone is the bone located inside the horse's hoof, and its position is key in problems such as laminitis.

Detailed explanation

The coffin bone (or third phalanx) is the bone housed inside the hoof, with a shape similar to that of the hoof itself. It is attached to the hoof wall by laminae. Its correct position is fundamental for foot health: in severe laminitis, this bone can rotate or sink when the laminae that hold it fail, which is diagnosed with X-rays. Correct shoeing and trimming aims, among other things, to maintain proper alignment of the coffin bone.


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