(in prescriptions) a grain.
Botany. one of the structural units of a chloroplast in vascular plants, consisting of layers of thylakoids.
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How to use granum in a sentence
Imperial granum is an example of this group, and there are several others with similar compositions.Dietetics for Nurses | Fairfax T. Proudfit
The Spanish name grana, confounded with granum, may have given rise to this contest.
Scientific definitions for granum
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. See more at chloroplast.
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