Colonies of Histoplasma capsulatum growning on blood agar plates. Incubated at 30C. Note glabrous colonies without aerial mycelium Read More
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
Artist Laura Splan has created some cool doilies using viral patterns:
'The design of each doily is based on the structure of a different virus. I begin with a digital image of the virus, which I then base a design on in a graphics editor. The design is then imported into computerized embroid... Read More
A dying pelican crawls away from the surf to die on the beach of Paita, Peru on May 2, 2012. According to Peruvian vice minister of Environment, Gabriel Quijandria, the cause of death of thousands of fish, sea birds and diverse animal wildlife that has been washing ashore in the northern coasts ... Read More
Listeria monocytogenes. Gram stain from BHI broth at 36 hours (1000X) Read More
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
Exophiala jeanselmei hyphae in walls of 'cyst'. Phaeohyphomycosis Read More
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
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.
b324-1 clostridium ramosum, peptostreptococcus spp, peptococcus spp and bacteroides fragilis Read More
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
H1N1 Mass Vaccination Clinic poster from a high school located in NorthWest, DC, November 6, 2009. Read More
This Gram-stained specimen reveals N. gonorrhoeae intracellular diplococci, leading to a positive diagnosis of gonorrhea.
The genus Neisseria consists of aerobic, non-spore-forming Gram-negative coccobacilli, which inhabit the mucous membranes of humans. These microbes require a moist environ... Read More
Tangential sections of hyphae of Mortierella sp. in a skin ulcer Read More
Clostridium botulinum on egg yolk agar. Note a absence of precipitate around colonies. 5X - LeBeau Read More