Meaning of lamina

lam•i•na

Pronunciation: (lam'u-nu), [key]
— pl. -nae -nas.
  1. a thin plate, scale, or layer.
  2. a layer or coat lying over another, as the plates of minerals or bones.
  3. the blade or expanded portion of a leaf.
  4. a layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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