Granum meaning

grā'nəm
A membranous structure within a chloroplast made up of stacks of thylakoids.
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Any of the stacks of thylakoids in a chloroplast.
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A membranous structure within a chloroplast made up of stacks of thylakoids.
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A stacked membranous structure within the chloroplasts of plants and green algae that contains the chlorophyll and is the site of the light reactions of photosynthesis. The saclike membranes that make up grana are known as thylakoids.
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(biology) A stacklike structure in plant chloroplasts that contain chlorophyll; the site of photosynthesis.
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Origin of granum

  • Latin grānum seed grain
    From American Heritage Dictionary of the English Language, 5th Edition