Definition of lamina in English:



  • A thin layer, plate, or scale of sedimentary rock, organic tissue, or other material.

    • ‘On the inner surface of the cell layer, a basal lamina (an organized layer of extracellular matrix) is laid down.’
    • ‘The neural arches of sauropod vertebrae are comprised of thin laminae of bone connecting the zygapophyses, diapophyses, and neural spine.’
    • ‘Endothelial cells comprise the intimal layer and are supported by a thin membrane and an elastic lamina.’
    • ‘These connections occur through apertures in the basal laminae of both endothelial and epithelial cells.’
    • ‘The preservation of the delicate neural arch laminae in cervical and dorsal vertebrae further indicates that the bones underwent little transport.’
    sliver, wafer, shaving, paring, peeling
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Mid 17th century: from Latin.