Question

very very short definition of veins in leaves​

Answer 1

Answer:

Veins are composed of xylem and phloem cells embedded in parenchyma, sometimes sclerenchyma, and surrounded by bundle sheath cells. The vein xylem transports water from the petiole throughout the lamina mesophyll, and the phloem transports sugars out of the leaf to the rest of the plant

there is no short defination more then this bit you write as much you want to write

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