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Definition of lamina:

  1. A thin plate or scale; a layer or coat lying over another; - said of thin plates or platelike substances, as of bone or minerals.
  2. A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.
  3. The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower.


membrane, sheath, plate, lamella, sheathing, surface, skin.

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