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Coloured scanning electron micrograph (SEM) of the parasitic powdery mildew Erysiphe sp. on the stalk of a plant. The orange needle-like structures are thorns on the surface of the stalk. Hyphae (grey) are the tangled filaments that form the fungal colony. Rising up from the hyphae are asexual spore-bearing structures called conidiophores. Powdery mildew is so-called because of the numerous white spores it produces. It is an agricultural pest, which parasitizes leaves of grasses. Scanning Electron Microscope Images, Scanning Electron Micrograph, Natural Forms, Natural Wonders, The Wonders, Microscopic Organisms, Microscopic Images, Microscopes, Science Images

Human Red and White Blood Cells Science Image | 80017502 | Science Image from PSmicrographs

Science Image of Human Red and White Blood Cells from PS MicroGraphs. Specialists in Science Images. 80017502

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