Illustration of Toxoplasma gondii-extraintestinal cycle in cells of mammals Read More
Dark-field preparation of Treponema pallidum. (approx X1000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Cladosporium trichoides hyphae and brown sclerotic cells in abscess of abdominal wall. H & E stain Read More
Exophiala jeanselmei. Note long slender conidiophores with terminal sporulation. Secondary budding of conidia is rare. LCB mount. Read More
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
Electron micrograph of one cell of Proteus vulgaris with numerous flagella Read More
photograph of carcass of swine showing lesions of swine erysipelas (b&w) 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
Gram-positive cocci showing various morphological arrangements including diplococcus and tetrads. (approx. X970). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Coccidioidomycosis. Map of endemic areas (outlined on black) in South America Read More
This negatively-stained transmission electron micrograph (TEM) revealed the presence of Rubella virus virions, as they were in the process of budding from the host cell surface to be freed into the host’s system, thereby, producing an enveloped virus particle, which means that after budding, the... Read More
Blastomyces dermatitidis. Yeast stage from 2-day culture on blood agar at 37 . Note double refractile cell wall Read More
Legionella pneumophilia in yolk sac of embryonated egg as stained by the Gimenez method Read More
This is an image of Clostridium difficile colonies grown on cycloserine mannitol agar after 48 hours.
C. difficile, an anaerobic gram-positive rod, is the most frequently identified cause of Antibiotic-Associated Diarrhea (AAC). It accounts for approximately 15-25% of all episodes of AAC.
... Read More
Science cartoonist Jay Hosler drafted this comic for the cover of the program for The Allegheny Branch of The American Society for Microbiology (ABASM) meeting at Juniata College this weekend (November 20th and 21st). Amusing. To see more of Hosler's work visit Read More
Histoplasma capsulatum in mitral valve. Yeasts and rare hyphal growth in vivo Read More
b323-7 clostridium perfringens gram stain from young culture Read More