Oak Leaf Stoma (quercus Robur) #1
by Power And Syred
Title
Oak Leaf Stoma (quercus Robur) #1
Artist
Power And Syred
Medium
Photograph - Photograph
Description
Scanning electron micrograph (sem) of an oak leaf stoma (Quercus robur). Stomata are pores that open and close in order to regulate gas exchange in a plant. A stoma comprises a pore, the aperture of which is controlled by a pair of specialised cells known as guard cells. These cells swell to close the pore and shrink to open it. Stomata are found mainly on the underside of leaves. This micrograph also clearly shows the wax platelets that cover the leaves. Magnification x7360 (x1811 at 10cm wide)
Uploaded
August 1st, 2016
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