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Coloured transmission electron micrograph (TEM) of a small arteriole showing, from lumen: endothelium (magenta), discontinuous internal elastic lamina (blue), cross-sectioned smooth muscle fibers (cytoplasm, red, nucleus, light yellow) and connective tissue of adventitia (green).
Microscopic photograph of a professionally prepared slide demonstrating Myocardial Toxoplasmosis. Toxoplasmosis is a parasitic disease caused by Toxoplasma gondii. Up to half of the world's population is infected by toxoplasmosis but have no symptoms.
Characteristics Tissue of Skin Human and Scalp human  under microscope.
Natural agate surfaces, suitable for backgrounds and wallpapers.
microscopic cross section showing the Adrenal gland of a rat
Abstract background Organic Form - 3d rendered image of glass structure, optical technology, nano electrical wave, dispersion colorful rainbow.  Organic shapes and form.  Science fiction or organic technology concept.
black white abstract acrylic painting color texture on white paper background by using rorschach inkblot method
plant Stem of Nymphaea tetragona T.S. under light mircoscope with white background
microscopic view of plant cells for botanic education and analysis
Macro close up depicting the abstract forms and shapes in a mixture of grey paint and oil.
Education Spinal cord, Nerve, Cerebellum, Cortex and Motor Neuron Human under the microscope in Lab.
Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Many vibrant colors turquoise, orange, blue, yellow, green. Abstract pattern. Good for Wallpaper texture background.
Human hyaline cartilage bone under microscope view for education pathology. Human tissue phisiology.
Modern abstract painting. Colorful flowing art painting. Geometric background.
Section of scalp hairy skin showing several hair follicles with their associated sebaceous glands (pilosebaceous units) located in the dermis. Low magnification micrograph. Masson stain.
Frog Epidermic Cell section under light microscope with white background
cross section cut of Ovary
Trematode parasite under a microscope
The study of tissue samples of Trachea of Cat, Epididymis, Prostate, Uterus with embryo of rat and Mammary gland cow  under the microscope in Lab.
Agate slice background with Abstractive texture art work.
amazing inhabitants of the microworld under a microscope
Lung cancer - adenocarcinoma, mucinous type. Left lung tumor in section cutting with microscopic image. cancer cell present.
Lymphocytic myocarditis. Myocarditis is an inflammation of the heart muscle. Lymphocytic refers to the type of cell seen in the affected tissue. A lymphocyte is a type of immune function cell.
Closeup abstract image displaying captivating earthy tones and intricate patterns, creating a mesmerizing texture
abstract imagery of a fusion of colors and surfaces
Concept of Education anatomy and Human lung tissue under microscope, The lungs is organs of the respiratory system in humans.
Concentric patterns and textures of Natural Agate slice for background.
Striated skeletal muscle fiber showing the cross-striation with dark A bands and light I bands. High magnification light micrograph
High-quality modern abstract painting rendered with alcohol ink and colorful abstract modern art painting background.
Free Images: "bestof:Great saphenous vein.png Course of the Great saphenous vein Image Gray581 png 2007-10-12 Mikael Häggström gallery of 2014 Gray's Anatomy plate"
Gfp-new-york-adirondack-mountains-view-from-the-golf-course.jpg
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Human anatomy.jpg
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Sidney_Hall_-_Urania's_Mirror_-_Cancer.jpg
Sidney_Hall_-_Urania's_Mirror_-_Gemini.jpg
Sidney_Hall_-_Urania's_Mirror_-_Virgo.jpg
Sidney_Hall_-_Urania's_Mirror_-_Libra.jpg
Sidney_Hall_-_Urania's_Mirror_-_Scorpio.jpg
Gfp-texas-big-bend-national-park-curve-in-the-rio-grande.jpg
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
Gfp-michigan-porcupine-mountains-state-park-forest.jpg
Sidney_Hall_-_Urania's_Mirror_-_Aries_and_Musca_Borealis.jpg
Sidney_Hall_-_Urania's_Mirror_-_Leo_Major_and_Leo_Minor.jpg
Sidney_Hall_-_Urania's_Mirror_-_Sagittarius_and_Corona_Australis,_Microscopium,_and_Telescopium.jpg
Gfp-florida-miami-shoreline-other-side.jpg
Sidney_Hall_-_Urania's_Mirror_-_Taurus_Poniatowski,_Serpentarius,_Scutum_Sobiesky,_and_Serpens.jpg
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Human anatomy ru 2.jpg
Kingdom_of_England_Exchequer_note-5_Pounds_(1697).jpg
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Magna_Carta_(British_Library_Cotton_MS_Augustus_II.106).jpg
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Henry_Clay_Senate3.jpg
Michael Gernhardt in space during STS-69 in 1995.jpg
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Project_365_#365:_311213_Another_One_Bites_The_Dust.jpg
Compton,_Negro_sharecropper_and_his_wife_stripping_and_gradi..._(3109745185).jpg
Prokudin-Gorskii-09.jpg
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Haeckel_Batrachia.jpg
Boston_Massacre_high-res.jpg
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