柯林斯词典lamina /ˈlæmɪnə/ 1. N a thin plate or layer, esp of bone or mineral 薄片; 尤指骨頭或鑛石 返回 lamina剑桥词典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