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Protozoa, a single-celled organism that feeds by scavenging for particles and other microorganisms, such as bacteria, or by absorbing nutrients from their environment
Helicobacter pyloribacteria, bacterium, cells, h pylori, helicobacter pylori, illustration, magnification, other background, realistic, side view, Medical Image Collection, 87294677
Colonies Of Penicillium Notatus(Original Caption) Colonies of Penicillium notatus, showing surrounding zone of bacterial inhibition. This is the phenomenon noted by Fleming in 1929, which led to his discovery of Penicillin. Undated
Robert Koch Studies Rinderpest In Lab(Original Caption) Dr. Robert Koch (1843-1910), German bacteriologist in search of the microbe which causes rinderpest, at Kimberly. A drawing from a photograph
Joseph Lister(Original Caption) Joseph Lister (1827-1912), English surgeon who used Carbolic spray to prevent septis. Developed antiseptic surgery which led to modern Asepsis. Undated photograph. BPA2# 6477
Making Penicillin, Spraying Liquid Media(Original Caption) 5/13/1945- Bottles of liquid media are planted with penicillin seed bymeans of a spray gun under sterile conditions
Illustration of Scientist Robert Koch Working in Laboratory(Original Caption) Kimberly, South Africa: Dr. Robert Koch (1843-1910), German bacteriologist, isolating the Rinderpest virus in his laboratory. Lithograph, after a photograph, ca. 1869
Paint Pots of Yellowstone National ParkA close up view of vivid, orange-colored bacteria mats floating in hot springs at Yellowstone National Park. These features are called paint pots in the park
vertical, pool, geyser, heat, yellowstone national park, landscape, scenics, aweBlack Pool in West Thumb Geyser Basin, Yellowstone National Park, Wyoming
Bacillus bacterial genus
The multi-colored Grand Prismatic spring in Yellowstone National Park as seen from aboveThe Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world
3d-rendering, enterobacteriaceae, bacteria
Tannerella forsythia bacteria, illustrationTannerella forsythia bacteria, computer illustration. This anaerobic Gram-negative rod-shaped bacterium was previously called Bacteroides forsythus and Tannerella forsythensis
A diagram showing aspergilloma affecting human lung
Cross section biomedical illustration on grid of Worm, Fungi, Protozoa, and Bacteria infection and infestation
Detailed view of the discoloration caused by bacteria and algae on a geyser, Geyser Hill, Old Faithful Area, Yellowstone National Park, Wyoming, USA