MAREK MIS / SCIENCE PHOTO LIBRARY MAREK MIS / SCIENCE PHOTO LIBRARY
Crocus sp. stomata. Polarised light micrograph of the underside of a crocus leaf, showing the stomata (oval). Stomata are pores that allow gas exchange into and out of a plant. Magnification: x400 when printed 10 centimetres wide.
Model release not required. Property release not required.