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Gram-positive Enterococcus faecalis sp. bacteria

This digitally-colorized scanning electron micrograph (SEM) depicted large numbers of Gram-positive Enterococcus faecalis sp. bacteria.

“Enterococci, leading causes of nosocomial bacteremia, surgical wound infection, and urinary tract infection, are becoming resistant to many and sometimes al... Read More

Watercolor Bacteria and Cell Art

Washington, DC artist Michele Banks, aka Artologica, is a painter who, in her own words, "uses an old and often-disrespected medium, watercolor, to create pieces that are anything but old-fashioned." Her works in Makers Market focus on biological and medical themes, particularly the microscopy o... Read More

Cryptococcus neoformans

Cryptococcus neoformans in brain, H & E stain Read More

Methyl red test

Methyl red test. Positive, negative, uninoculated (1-6) Read More

Drawing of broken red blood cells, as seen in the blood of people with hemolytic uremic syndrome.

In hemolytic uremic syndrome, toxins destroy red blood cells. These misshapen cells may clog the tiny blood vessels in the kidneys.

Credit: National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health.
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Histoplasma duboisii

Histoplasma duboisii. The single nucleus, characteristic of Histoplasma duboisii (and of Histoplasma capsulatum) can be seen in many of the fungal cells. Note large cell size Read More

Salmonella enteritidis

Salmonella is a gram-negative, rod-shaped bacilli that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals.

The Salmonella family includes over 2,300 serotypes of bacteria which are one-cel... Read More

B. subtilis spores

Simple crystal violet stained preparation mainly consisting of B. subtilis spores with a few scattered rods. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Aspergillus fumigatus

Aspergillus fumigatus. Typical dichotomous branching of hyphae in pulmonary lesion of a horse. PAS stain Read More

Clostridium sporogenes

Clostridium sporogenes on egg yolk agar Read More

H and E stained lung sections of patient with legionella pneumophila

H and E stained lung sections of patient from whom the legionella pneumophila was isolated stained with CDC's modification of the Dieterle silver impregnation procedure. Note the small, blunt pleomorphic intracellular and extracellular bacilli which stain brown to black against a pale yellow bac... Read More

Neisseria meningitidis

Neisseria meningitidis colonies on chocolate agar with positive oxidase test as indicated by black colonies (1:2) Read More

Spirogyra filament

A clear view of a Spirogyra filament showing the spiral chloroplast. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

A close-up of the surface of a streak plate

A close-up of the surface of a streak plate using a mixed culture of Serratia marcescens and Micrococcus lutea as the inoculum. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Micro Unions

Micro Park to Play !!! Read More

Micrasterias denticulata

Micrasterias is a Desmid - a group of green algae mostly found in neutral to acidic fresh waters and sphagnum bogs. Most are unicellular, though a few form chain-like colonies. Each cell is constructed of 2 semicells which are mirror images of each other. In Micrasterias the cells are flattened ... Read More

Gram-positive cocci

Gram-positive cocci showing various morphological arrangements including diplococcus and tetrads. (approx. X970). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Slime mold Arcyria denudata

Arcyria called Cotton Candy Slime. A Myxomycetes 1 mm tall. Read More

Gram stain showing gram positive Candida albicans

Mr. Sunil Pandey Medical Microbiology Student of Nobel College, pokhara University, Currently Doing his thesis in Kathmandu Model Hospital, In Bagbazzar Kathmandu Nepal, Identified a gram positive Candida albicans yeast and pseudo hyphae in gram stain preparation under 100x microscopy in a femal... Read More

Neisseria gonorrhoeae

This photomicrograph is showing Neisseria gonorrhoeae in a cervical smear using the Gram-stain technique. Thanks to the CDC's PHIL for the image. Read More
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