Definition for Guard cell

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Revision as of 21:06, 3 March 2011 by Bio man (Talk | contribs) (Created page with "A specialized plant cell that allows epidermal pores (stomata) to close when conditions are too dry and open under moist conditions, allowing the entry of CO2 needed for photosyn...")

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A specialized plant cell that allows epidermal pores (stomata) to close when conditions are too dry and open under moist conditions, allowing the entry of CO2 needed for photosynthesis.