Guard Cells

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A pore in dermal tissue bounded by guard cells is a stoma. Guard cells regulate the opening of the stoma.

• Link to face view of Zea (Corn) epidermis with guard cells and basal cells of the epidermis.
• Link to view of basal epidermal cells in a paradermal section of Syringa (lilac) These are on the left side of the section.
• Link to image of a face view of Setcreasea leaf epidermis with guard cells lining a stoma, and with basal epidermal cells.
• Link to image of a cross section of the epidermis of a Medicago Stem, with a view of a stoma with guard cells and with basal cells of the epidermis.
• Link to a view of a stoma with guard cells from a hornwort, a non-vascular plant.
• Link to the view of a pore of Marchantia without guard cells.