As the old saying goes, can beat a pound of the Shigella bacteria, seen here penetrating the intestinal mucosa of some poor soul.
Killing approx. 1 million people annually - most of them children, Shigella is best prevented by two simple strategies: washing hands before handling food & thorou... Read More
Corynebacterium - Tissue section. H & E stain. Diphtheritic tonsillitis Read More
Actin (purple), microtubules (yellow), and nuclei (green) are labeled in these cells by immunofluorescence. This image won first place in the Nikon 2003 Small World photo competition.
Torsten Wittmann, Scripps Research Institute Read More
Little brown bat; close-up of nose with fungus, New York, Oct. 2008.
Credit: Photo courtesy Ryan von Linden/New York Department of Environmental Conservation
What is white-nose syndrome?
In February 2006 some 40 miles west of Albany, N.Y., a caver photographed hibernating bats with an unusu... Read More
Blastomyces dermatitidis in pus from a dressing. Two characteristic budding cells are present. Note broad base building Read More
Echinococcus granulosus is a tapeworm parasite that in its larval form can cause hydatid disease, which is characterized by cysts forming within the victim's body. In order to complete its lifecycle, the tapeworm must infect two hosts, a carnivore and a herbivore.
The adult form of Echinococc... Read More
Mycobacterium tuberculosis. Young colony on brain heart infusion. A virulent strain Read More
Cartoon of a couple of bacteria having marital problems. Via Wikipedia Commons. Illustration by Gaspirtz. Read More
Under a plate magnification of 37,800X, this colorized transmission electron micrograph (TEM) depicted the A/New Jersey/76 (Hsw1N1) virus, while in the virus’ first developmental passage through a chicken egg. Read More
This image by Dr. Arlene Wechezak, Anacortes, Washington, United States, won 10th place in Nikon's 2009 Small World microscopy competition. Nikon's Small World Twitter feed (@NikonSmallWorld) is currently showcasing algae and larvae that are in danger in the Gulf oil spill. Read More
Haematococcus (algae), Euplotes (protozoa), and Cyclidium (ciliate) (400x)
2012 Nikon Small World Photomicrography Competition, Charles Krebs, Issaquah, Washington, USA Read More
Cladosporium carrioni in chromomycosis. Brown Sclerotic cells. H & E stain Read More
This colorized negative-stained transmission electron micrograph (TEM) depicts the ultrastructural details of a number of influenza virus particles, or “virions”. A member of the taxonomic family Orthomyxoviridae, the influenza virus is a single-stranded RNA organism
The flu is a contagious r... Read More
Acid fast colony (triple stain) in blood culture of a patient with untreated pulminary tuberculosis Read More
This transmission electron micrograph (TEM) revealed the ultrastructural appearance of a number of virus particles, or “virions”, of a hantavirus known as the Sin Nombre virus (SNV).
In November 1993, the specific hantavirus that caused the Four Corners outbreak was isolated. Using tissue fro... Read More
This negative stained transmission electron micrograph (TEM) shows recreated 1918 influenza virions that were collected from supernatants of 1918-infected Madin-Darby Canine Kidney (MDCK) cells cultures 18 hours after infection.
To separate these virions, the MDCK cells are spun down (centrif... Read More
Simple stained preparation of Bacillus species showing chains of rods and spores. (approx. X 970). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
This photomicrograph depicted a number of Gram-positive, endospore-forming Bacillus anthracis bacteria. B. anthracis is the pathologic microorganism responsible for the disease “anthrax”, an acute infectious disease, which most commonly occurs in wild and domestic vertebrates (cattle, sheep, goa... Read More