柯林斯詞典lamina /?l?m?n?/ 1. N a thin plate or layer, esp of bone or mineral 薄片; 尤指骨頭或礦石 返回 lamina劍橋詞典biology a layer or thin sheet of tissue 薄片；薄層 medical one of two curved parts at the back of a vertebra (= one of the bones in the back) 椎板 biology the flat part of a leaf or petal 葉片 返回 lamina