lamina definition

  • noun:
    • A thin plate, sheet, or level.
    • Botany The broadened part of a leaf or petal; a blade.
    • Botany The bladelike part of a kelp.
    • A thin level of bone tissue, membrane layer, or any other muscle.
    • Zoology A thin scalelike or platelike framework, among the slim levels of painful and sensitive vascular structure into the hoof of a horse.
    • Geology A narrow sleep of stone.
    • A very thin layer of product.
    • A thin dish or scale, such as the arch of a vertebra.
    • The level part of a leaf or leaflet; the knife.
    • A thin plate or scale; a layer or coat lying over another; -- said of slim plates or platelike substances, by bone tissue or nutrients.
    • The blade of a leaf; the wide, expanded portion of a petal or sepal of a flower.
    • A thin plate or scale; specif., one of the thin, level processes composing the vane of a feather.
    • A thin plate or scale.
    • The inner dining table regarding the head.
    • Synonyms Lamina, lamella. In zoölogy and anatomy these words are often definitely synonymous, used interchangeably and without difference. If there be a potential difference, it's that lamella may oftener apply to something smaller or thinner than a lamina: including, the address of a novel is a lamina, containing leaves or lamellæ. Haeckel attracts and maintains this difference in embryology.
    • a thin plate or level (especially of bone or mineral)

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