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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.
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).
flower bud of lilium brownii var. viridulum T.S. on microscopy
The study of plant tissues under the microscope in the laboratory.
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.
Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.
Human Morula Cell, Solid Ball of Cells Resulting from Division
Microscopic photo of a thin section of calcareous tufa of Holocene age.
Natural agate surfaces, suitable for backgrounds and wallpapers.
Toxoplasma gondii oocyst under the microscope, isolated
plant Pine Stem C.S. under light mircoscope with white background
background colored macro bubbles of water
Trematode parasite under a microscope
Lily leaf c.s. under microscope
Myxoid liposarcoma.  Myxoid/round cell liposarcoma, or MRCLS, is one of several types of liposarcoma. Liposarcoma is a rare cancer that grows in the cells that store fat in the body. MRCLS usually grows in the arms and legs. These tumors grow slowly, and they can spread to other parts of the body
PAPS Smear study of a young women under microscopy showing Atrophic changes in uterus which is unusual at young age.
Amazing Colorful Agate Crystal stone cross texture background.
Freshwater Closterium algae (unicellular charophyte green algae) - optical microscope x200 magnification
Photomicrograph of a freshwater clustering single-celled green algae,
Freshwater aquatic zooplankton and algae under microscope view
traditional thai fabric
Pheochromocytoma, Site: Adrenal gland
Histological Cerebellum human, Sympathetic ganglion human And Spinal cord human under the microscope for education.
Liver Fluke Section under light microscope with white background
Colorful, abstract micrograph of a fish scale, calico bass,Paralabrax clathratus, with polarization at 100x.
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Squash preparation of stained onion root tip cells showing various stages of mitosis. Differential interference contrast optics on a Leica microscope, Image taken with the X40 objective lens.  Depth of focus is extremely shallow (just a few microns).  Differential interference contrast results in an optical slice horizontally through the specimen providing maximum possible resolution at this magnification and good contrast. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.
Free Images: "bestof:Fagesia suture example.TIF en Example of ammonitic sutural pattern genus Fagesia <small>Pervinquiére</small> - Early Turonian of Morocco own Antonov 2009-12-21"
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