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Nodularia sp. toxic algae under microscopic view, nitrogen-fixing cyanobacteria, cyanotoxin, harmful to humans, x40

plant Pine Cone-Female L.S. under light mircoscope with white background

Microscopic photo of a thin section of calcareous tufa of Holocene age.

Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.

Culture of Clostridium difficile, an anaerobic bacterium. This bacterium is in some cases able to cause severe diarrhoea leading to pseudomembranous colitis and death. Clostridium difficile has caused many nosocomial outbreaks in hospitals.

centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification

Cheyletiella blakei Mite - Small Cat pest view under a microscope

Licmophora sp. algae, marine and freshwater diatom under microscopic view. Genus of benthic, photosynthetic and epiphyte diatom

Urothelial carcinoma, high grade. High-grade tumors have an aggressive appearance under a microscope and are assumed invasive in the kidney or ureter.

Cross section of Escherichia coli bacteria

Particles, medical concept

Paramecium is a genus of unicellular ciliated protozoa, Paramecia are widespread in freshwater, brackish, and marine environments and are often very abundant in stagnant basins and ponds.

plant PomeTomato Flesh W.M. under light mircoscope with white background

Planarian parasite (flatworm) under microscope view.

Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria

Transmission electron micrograph (TEM) showing a striated skeletal muscle cell in cross section. Among myofibrils (sectioned at the band A level), mitochondria and sarcoplasmic reticulum can be seen.

Organic abstract image of a frost tipped hydrangea flower that has been heavily post processed in Lightroom and Topaz studios.

Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background

Cheyletiella blakei Mite - Small Cat pest view under a microscope

E. coli stands for Escherichia coli is a bacteria that is commonly found in the lower intestine of warm-blooded organisms 3d rendering

Escherichia Coli (E. Coli.)

Host cells with spores (mold) are inside wood under the microscope for education.

Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.

Moss leaf under the microscope, green cell background

Liver Fluke Section under light microscope with white background

Transmition Electron microscopy of an epithelial cell where mitochondria of several sizes can be seen with the characteristic double membrane and internal cristaes. Mitochondria are believed to be of bacteria origin. It has its own genome and RNA and protein which are similar to those of bacteria.

Natural agate surfaces, suitable for backgrounds and wallpapers.

Microscopic of paramecium and amoeba

West Nile are invading blood system in blood vessels. Easy to crop for all your social media and print sizes.

Free Images: "bestof:Campylobacter jejuni 5778 lores.jpg This scanning electron micrograph depicts a number of Gram-negative Campylobacter jejuni bacteria magnified 11 734x C jejuni"

Multidrug-resistant Klebsiella pneumoniaeand neutrophil.bmp.jpg

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TEM of L-form bacteria-Mark Leaver Newcastle University.tif

TEM of L-form bacteria-Mark Leaver Newcastle University.jpeg

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Wide field EM of L-form bacteria-Mark Leaver Newcastle University.tif

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