What is Kranz Anatomy?

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Kranz anatomy is a morphological diversity in the leaves of C4-pathway. It is a typical structure in the leaves of plants that have a C4–pathway of CO2 fixation. The leaves contain a ring of mesophyll cells, containing a few chloroplasts surroundings a sheath of bundle sheath cells having large chloroplasts involved in the Calvin cycle. Plants that utilize this pathway typically possess a distinctive Kranz anatomy, consisting of two photosynthetic cell types. These are the bundle sheath (bs) cells, which surround the vascular centres, and the mesophyll (mp) cells, which surround the bs cells.

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