lamina
noun [ C ] specialized uk/ˈlæm.ɪ.nə/ us/ˈlæm.ə.nə/ laminae /ˈlæm.ɪ.niː/
biology 薄片;薄层
a layer or thin sheet of tissue
medical 椎板
one of two curved parts at the back of a vertebra (= one of the bones in the back)
biology 叶片
the flat part of a leaf or petal