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Gills of a giant catfish (Silurus glanius)

stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.

Demodex folliculorum - parasitic mite on the eyelashes of a human eye, microscope

Natural agate surfaces, suitable for backgrounds and wallpapers.

Close up egg with adult of parasite findind with microscope in parasitology.

In vitro bacterial culture

Long sectionplant vascular tissue under the light microscope view for education.

Trematode parasite under a microscope

Detail of a Coprinus mushroom under the microscope.

abstract imagery of a fusion of colors and surfaces

Slime molds, as a group, are polyphyletic under the microscope for education.

Slice of natural crystal for patterns and textures use with high resolution.

the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope

plant Dandelion Fuzz W.M. under light mircoscope with white background

$Argyrophilic cells in the villi epithelium of the small intestine. They are enteroendocrine cells (for example, secretin S cells).\$

Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.

Aspergillus (mold) under the light microscopic view for education.

Chinese lantern

Microscopic image of fungus growth

Bacterial colonies (Bacillus subtilis)

Photomicrograph of newly hatched freshwater leech. Note multiple eyes at head and second attachment sucker at tail. Body length approx. 3 mm. Live specimen. Wet mount, 5X objective, transmitted brightfield illumination.

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

Amazing Colorful Agate Crystal stone cross texture background.

Bundles of collagen fibers in a connective tissue stained with a silver method. The collagen fibers show a typical wavy appearance.

Looking through a window underwater where limpets and saline have grown over window.

Section of a human hair follicle in skin under the microscope

$Black and white image of a long type of mitochondria.\nCan be used to cover biology booklets and presentations.$

The salmon louse, Lepeophtheirus salmonis, is a health hazard for wild as well as farmed salmonids. The parasite feeds on the skin, mucus and blood from the fish. Coloured scanning electron micrograph (SEM), magnified x300 when printed at 10cm wide.

the tail of a redfish

Free Images: "bestof:Delistes luxatus gills usgs.jpg en Deltistes luxatus gills infected with Flavobacterium columnare USGS photo 2003-08-15 http //www fws gov/canvfhc/showReport"

Little_Bat,_Long_Traveler.jpg

Hello_There,_Manatee.jpg

Andrena_personata,_f,_md,_eastern_neck_nwr,_side_2015-05-26-05.52.54_ZS_PMax.jpg

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Coelioxys_dolichos,_m,_side,_md,_kent_county_2014-07-21-12.19.17_ZS_PMax.jpg

Coelioxys_dolichos,_f,_faceclose,_md,_kent_county_2014-07-21-11.33.42_ZS_PMax.jpg

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Stelis_louisae,_M,_Back1,_MD,_Dorchester_County_2015-09-22-13.00.30_ZS_PMax_UDR.jpg

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2014 Washington Landslide.jpg

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Isotria verticillata USFWS-1.jpg

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Egegik Village on the Alaska Peninsula.jpg

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Megachile_sculpturalis,_f,_back,_md,_kent_county_2014-07-21-12.24.59_ZS_PMax.jpg

Triepeolus_concavus,_M,_face,_Dorchester_Co,_MD_2015-09-01-12.11.29_ZS_PMax_UDR.jpg

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Lunar libration with phase Oct 2007.gif

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Hylaeus_ornatus,_F,_Side1,_MD,_Dorchester_County_2015-09-17-10.58.21_ZS_PMax_UDR.jpg

Volcanic crater at Ingakslugwat hills.jpg

Volcano eruption geology picture.jpg

Melissodes_tepaneca,_f,_face,_SC,_Jasper_Co_2015-11-24-17.39.jpg

Melissodes_tepaneca,_f,_back,_SC,_Jasper_Co_2015-11-24-17.12.jpg

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Stelis_australis,_F,_side,_Sandhills_NWR,_South_Carolina_2012-11-19-18.51.14_ZS_PMax.jpg

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Velvet_Ant,_side,_Badlands,_Pennington_Co,_SD_2013-12-31-14.13.37_ZS_PMax.jpg

Trachusa_ridingsii,_F,_side,_Sandhills_NWR,_South_Carolina_2012-11-16-15.36.jpg

Stelis_australis,_F,_back1,_Sandhills_NWR,_South_Carolina_2012-11-19-18.22.42_ZS_PMax.jpg

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