Acid-fast rods. (approx. 1000 X). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Klebsiella pneumoniae. Maneval's capsule stain. Note clear area (capsule) surrounding pink stained organisms (1200X) Read More
When I worked at a vet hospital people asked me all the time whether dog's mouths were cleaner than humans. I always told them it was an old wive's tale & wondered about their personal hygiene. Turns out I was wrong! Read More
Science blogger Cesar Sanchez of the site Twisted Bacteria (twistedbacteria.blogspot.com) created the above word cloud that was generated from approximately 1200 tweets that appeared on Twitter during the American Societ... Read More
Doctors in the 17th Century wore penguin-like masks stuffed with flowers and herbs to protect themselves from the Plague. Image from NIH. Read More
Filamentous yeast from spoiled beverage. Filaments and budding. Phase. (1008X) Read More
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
Ahh Rabies, we meet again.
When I worked in vet medicine, it was amongst the few diseases that everyone - doctors, clients, support staff, human law enforcement officers, etc. - knew & feared. Maybe it was it's nearly undefeated record & lethal reputation that drove such caution. After all,... 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
As referenced in the most recent episode of This Week in Parasitism, Dickson Despommier, Mailman School of Public Health, Columbia University, and Yuzo Takahashi, Department of Parasitology, Gifu University School of Medicine, have posted hundreds of scanning electron microgra... Read More
Mycoplasma fermentans. Photomicrograph, stained. Note colonial morphology after 14 days growth on agar (400x) Read More
This is a photomicrograph of Fusobacterium russii cultured in a thioglycollate medium for 48 hours.
Like the genus Bacteroides, Fusobacterium are anaerobic, gram-negative bacteria that are normal inhabitors of the intestine. Fusobacterium spp. are associated with pleuropulmonary and oral infe... Read More
This diagrams, as a trophozoite, the various forms that the developing malarial parasite undergoes prior to its schizont stage.
As the parasite increases in size, the ring morphology of the early trophozoite disappears, and becomes what is referred to as a mature trophozoite, which undergoes ... Read More
clostridium sporogenes - sporoangia and sports, crystal violet (1000x) Read More