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Color blind test -B&S
plant Zea Stem C.S. under light mircoscope with white background
Epithelial Cells in urine sediment.
In vitro bacterial culture
image of a simple pattern
Candida is the most common fungal pathogen, with Candida albicans and Candida tropicalis accounting for 90% of the infections.
Background of mold in the wood of the house.
Close up of a Petri dish with blue specimens in it
Solar radiation analysis of a public building. Multipurpose common public space analysis with parametric louvers to control sun exposure and radiation.
Abstract Crystal background marble shot, nature pattern.
field of fat cells, High quality 3d render of fat cells, cholesterol in a cells, structure of the molecule, receptors on the cells surface 3d renderer
In vitro bacterial culture
Squash preparation of  onion root tip cells stained to reveal chromosomes,  Bright field illumination, light microscopy.  This image was taken with the X40 objective lens.  Depth of focus is extremely low at this magnification.  Smaller apertures give greater depth of focus, but image quality deteriorates and resolution is greatly reduced.  The aperture in this image was optimised for contrast and resolution. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.
Abstract oil serum cosmetri in petri dish isolated on white background. Science cosmetic laboratory concept.
Haematococcus pluvialis green and cyst algae under microscopic view - haematocyst, active and resting cells, strong antioxidant astaxanthin
UK, USA, 4K Resolution, Abstract, Binary Code
Detail of high-tech microscope studying sperm for the fertilization of an ovule
Natural agate surfaces, suitable for backgrounds and wallpapers.
A 3D rendering featuring a half-cut liposome and other liposomes dispersed on a white background
Close up of a Petri dish with blue specimens in it
Abstract designed black, gray and white wallpaper background image for computer desktops.
Photomicrograph of Volvox globator, a green algae. Dark green spots are daughter colonies forming inside of parent colony. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Close up,Growth of Bacteria and microorganisms from termite nest in Experiment
Campylobacter grown on Campylobacter Selective Agar, inhibiting the growth of normal fecal flora. Campylobacter (meaning \
Germinated seeds in moist water. Healthy food ingredients.
In vitro bacterial culture
Colored pollen grains of different species under the microscope.
Five different colored sponges with numbers  in a row
Several clusters of human Human Embryonic Kidney 293 cells in culture. These cells are a standard cell line used in biotechnology applications, for example to produce proteins. This view is as it appears through an inverted biological phase contrast microscope with 200x magnification.
Blue TIle Address: 234 on White Background
Free Images: "bestof:Cantellated 24-cell verf.png cantellated 5-cell vertex figure own original text I created this work entirely by myself 1 12/17/08 Tom Ruen talk Tomruen original"
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