In horses with chronic laminitis, an abnormal horn structure called the lamellar wedge develops within the lamellar region of the foot. This pathologic structure adversely affects normal foot function, and influences return to previous performance levels. Understanding the pathologic process that leads to the development of this structure is essential for correct supportive foot management of the horse with chronic laminitis. The ability to prevent or reduce the formation of the lamellar wedge may eventually lead to better outcomes in cases of laminitis.
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