lamina(redirected from perpendicular lamina)
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1. a thin plate or layer, esp of bone or mineral
2. Botany the flat blade of a leaf, petal, or thallus
A thin sheet or layer of tissue; a scalelike structure.
A thin, clearly differentiated layer of sedimentary rock or sediment, usually less than 1 centimeter thick.
A flat or curved arrangement of unidirectional or woven fibers in a matrix.