About The Medical Condition Grana

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Find the definition of the medical term Grana. Grana defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Grana

Grana Medical Condition Defined & Explained
Grana Medical Condition

What's The Definition Of The Medical Condition Grana?

Membranous cisternae of the chloroplast containing photosynthetic pigments, reaction centers, and the electron-transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra-thylakoid space (Lackie and Dow, Dictionary of Cell Biology, 2nd ed). Individual thylakoids are interconnected and tend to stack to form aggregates called grana. They are found in cyanobacteria and all plants.

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