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Sarcocystis spp. zoites

Sarcocystis spp. zoites Read More

Yersinia pestis

As a closer view of PHIL 12265, this photograph depicts the colonial morphology displayed by Gram-negative Yersinia pestis bacteria, which was grown on a medium of sheep's blood agar (SBA), for a 72 hour time period, at room temperature. Y. pestis is the bacterium responsible for causing the inf... Read More

Corynebacterium diphtheriae on tellurite

Corynebacterium diphtheriae on tellurite Read More

Burkholderia cepacia

Scanning Electron Micrograph of Burkholderia cepacia.

Burkholderia cepacia is the name for a group or “complex” of bacteria that can be found in soil and water. B. cepacia bacteria are often resistant to common antibiotics.

B. cepacia poses little medical risk to healthy people. However,... Read More

Entomophthora coronata in tissue

Entomophthora coronata in tissue. Splendore-Hoeppli effect. H & E stain (450X) Read More

Zoonotic villains #1 - Marburg virus

Saints preserve us from this one. A highly contagious hemorrhagic fever, Marburg is less well known that it's cousin Ebola, (they're both members of the deeply troublesome Filovirus family) but no less deadly.
Read More

tissue section h & e strain diptheritic tonsillitis

tissue section h & e strain diptheritic tonsillitis Read More

Colorized Marburg virus particles viewed with a transmission electron microscope

Marburg hemorrhagic fever (Marburg HF) is a rare, severe type of hemorrhagic fever which affects both humans and non-human primates. Caused by a genetically unique zoonotic (that is, animal-borne) RNA virus of the filovirus family, its recognition led to the creation of this virus family. The fi... 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

Cryptococcus neoformans

Cryptococcus neoformans abscess. H & E stain (1000X) Read More

Oral bacterial colonies, including Capnocytophaga and Aggregatibacter

This color-enhanced photomicrograph shows different species of bacteria that cause dental plaque - a colorless film that forms on teeth caused by the growth of bacterial colonies. Plaque develops naturally, and in most cases can be easily removed with regular brushing. However, if left it can ha... Read More

Phialophora richardsiae

Magnified 1125X, this photomicrograph revealed some of the ultrastructural morphology displayed by the dematiaceous (pigmented) filamentous fungus, Phialophora richardsiae.

Note the septate hyphae from which sprout the short conidiophores, and still further distally one can see the flask-shap... Read More

Enterococcus faecalis

The bacterium, Enterococcus faecalis, which lives in the human gut, is just one type of microbe that will be studied as part of NIH's Human Microbiome Project. Read More

throat culture on blood agar and tellurite medium. black colonies are Corynebacterium diphtheriae

throat culture on blood agar and tellurite medium. black colonies on tellurite medium are Corynebacterium diphtheriae Read More

Specific F.A. staining of pleomorphic organisms in sputum of patient with tuberculosis

Specific F.A. staining of pleomorphic organisms in sputum of patient with tuberculosis Read More

Cytomegalovirus

Cytomegalovirus in human foreskin cell culture. Showing dark staining intranuclear inclusion bodies. Gimesa stain Read More

Blood Falls - Subglacial outflow from the Taylor Glacier in McMurdo

Subglacial outflow from the Taylor Glacier in the McMurdo Dry Valleys, Antarctica. Iron and salt precipitates form where subglacial brine flows from the Taylor Glacier, lending a bright red color to the glacier snout, which is commonly referred to as Blood Falls. The episodic release of subglaci... Read More

Pellicle on the surface of a broth medium

The presence of a pellicle on the surface of a broth medium. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Paracoccidioides brasiliensis

Paracoccidioides brasiliensis. Tissue form grown in vitro at 37C Read More

E. coli on media from urine culture

This is an interesting image I found on Flickr. The shiny yellowish/green stuff is e.coli. It is growing on media and from a urine culture. Read More

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