{"version":"1.0","type":"link","title":"Guard cell - Newikis","description":"Guard cells are specialized cells in the epidermis of leaves, stems and other organs of land plants that are used to control gas exchange between the plant and air. They are produced in pairs with a gap between them that forms a stomatal pore. The stomatal pores are largest when water is freely…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/9/91/Opening_and_Closing_of_Stoma.svg/1280px-Opening_and_Closing_of_Stoma.svg.png","thumbnail_width":1280,"thumbnail_height":759}