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Green algae cells background
Bacteria medical illustration - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
Trematode parasite under a microscope
Backgrounds of Characteristics and Different shaped Colony of Bacteria and Mold growing on agar plates from Soil samples for education in Microbiology laboratory.
Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).
Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.
Freshwater aquatic zooplankton and algae under microscope view
plant Zea Stem C.S. under light mircoscope with white background
False color image of diatom under the microscope
Originally from Colombia and Guyana, this epiphyte is endangered owing to habitat destruction and poaching.
Microscopic Rotifer or Rotifera under a microscope, freshwater bentic organism filtering water.
Orchids
Scalp and hair follicles of human under the microscope in Lab.
No people. Scenes from the Guild Park and Gardens,  a famous landmark in Toronto, Canada
Photograph of autotrophic Euglena through microscope under brightfield illumination.
Liver Fluke Section under light microscope with white background
amazing inhabitants of the microworld under a microscope
Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Threadworm (Enterobius vermicularis) eggs containing worm larvae, computer illustration. Threadworms are nematode worms that parasitize the large intestine and caecum of many animals. In humans they cause the common infection enterobiasis. Nematodes are unsegmented worms that may be parasitic or free-living depending upon the species.
Trematode under a microscope
Christmas rose plant (Helleborus niger) with lime green yellow flowers growing in a cottage garden, early blooming evergreen perennial, copy space, selected focus, narrow depth of field
Hellebores in public park.
Notoedres cati under the microscope. Notoedric mange, also referred to as Feline scabies, is a highly contagious skin infestation caused by an ectoparasitic and skin burrowing mite Notoedres cati.
Dasiphora fruticosa at Jackson (Jackson Hole) in Teton County, Wyoming. This was originally known as potentilla.
the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope
floral background with black vignette
Photomicrograph of flatworm,
Close up of yellow orchids (oncidium varicosum) growing against dark background. You can see a delicate branch that is covered with individual flowers.
Free Images: "bestof:MonographTrochi4Goul 0262.jpg Eustephanus stokesi Sephanoides sephaniodes http //worldbirdinfo net/Pages/BirdCitationView aspx BirdID 34735 Source 2FPages"
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