Inflammation of any lamina.
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lam·i·ni·tis .lam-ə-'nīt-əs n inflammation of a lamina esp. in the hoof of a horse, cow, or goat that is typically caused by excessive ingestion of a dietary substance (as carbohydrate) called also founder
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lam·i·ni·tis (lam″ĭ-niґtis) 1. inflammation of a lamina. 2. inflammation, congestion, and ischemia of the laminae of a hoof, with breakdown of the union between the horny and sensitive layers; it usually occurs in overweight, overfed animals. Called also founder.Medical dictionary. 2011.