Granum (noun) Definition, Meaning & Examples

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noun, plural gra·na [grey-nuh]. /ˈgreɪ nə/.
  1. (in prescriptions) a grain.
  2. one of the structural units of a chloroplast in vascular plants, consisting of layers of thylakoids.
Plural grana (grā′nə)
    Granum (noun) Definition, Meaning & Examples

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