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Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.

Diffuse large B-cell lymphoma, or DLBCL, is a cancer that starts in white blood cells called lymphocytes.

abstract binary random white background 3D renderingabstract background 3D rendering - letters conceptabstract background 3D rendering - multi ethnic conceptabstract background 3D rendering - letters concept

Natural agate surfaces, suitable for backgrounds and wallpapers.

centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification

corn stem micrograph with dye

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.

plant Zea Stem C.S. under light mircoscope with white background

Lime trunk

Trematode parasite under a microscope

Cross section leaf of plant under the light microscope view for botany education.

Carcinoid tumors are a type of slow-growing cancer that can arise in several places throughout your body. Carcinoid tumors, which are one subset of tumors called neuroendocrine tumors, usually begin in the digestive tract (stomach, appendix, small intestine, colon, rectum) or in the lungs. Site: Ovary

Education of chlorella under the microscope in Lab.

Autumn in pre-Pyrenees, Catalonian undergrowth.. during autumn season.

Green algae cells background

stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.

Photomicrograph of algae, Cosmarium turpinii, a desmid. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.

Freshwater aquatic zooplankton and algae under microscope view

Bacteria of different shapes, cocci and rod-shaped bacilli, 3D illustration in old book vintage style

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.

Histological Pancreas human, Liver human, Vermiform appendix human and Kidney Human under the microscope for education.

Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).

3d plant Cell structure

Cotton plant root, under the light microscope. Longitudinal section through the root of Gossypium hirsutum, upland or also Mexican cotton. Light micrograph at 20X magnification. Isolated, over white.

$Autumn in pre-Pyrenees, Catalonian undergrowth.. during autumn season.\n\nLepiota$

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.

Haematococcus pluvialis green and cyst algae under microscopic view, empty space - haematocyst, active and resting cells, strong antioxidant astaxanthin

the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope

Hepatocellular adenoma (HCA; also termed hepatic adenoma) is an uncommon solid, benign liver lesion that develops in an otherwise normal-appearing liver. Typically, HCAs are solitary and are found in young women in association with use of estrogen-containing medications.

Free Images: "bestof:Sporobolus airoides NRCS-002.jpg en Sporobolus airoides Torr Torr - alkali sacaton 1992 http //plants usda gov/java/largeImage imageID spai_002_avp tif Robert H"

False foxglove flower aureolaria flava.jpg

Gottlieb-Jews_Praying_in_the_Synagogue_on_Yom_Kippur.jpg

Desert catchfly.jpg

Girl scouts in frog survey.jpg

Isotria verticillata USFWS-1.jpg

Hubble Extreme Deep Field (full resolution).png

Lunar libration with phase2.gif

NYC Mulberry Street 3g04637u.jpg

Alfons_Mucha_-_1896_-_La_Dame_aux_Camélias_-_Sarah_Bernhardt.jpg

Yashima_Gakutei_-_A_woman_playing_a_large_suspended_drum_(tsuridaiko)_A_set_of_five_prints_for_the_Hisakataya_poetry_c..._-_Google_Art_Project.jpg

Moenitarri_warrior_in_the_costume_of_the_dog_danse_0056v.jpg

Charon's_Boat.jpg

Orthoporus spp New Mexico.jpg

Lake floatplane wake.jpg

Female loggerhead sea turtle caretta caretta.jpg

Lunch on a wing.jpg

Phrynosoma hernandesi short horned lizard.jpg

Coreopsis major FWS-1 4x3.jpg

Kotzebue, Alaska.jpg

Aerial view of brooks range Alaska.jpg

Alaska range small waterfall on river.jpg

Egegik Village on the Alaska Peninsula.jpg

Church in winter scenic.jpg

Lunar libration with phase Oct 2007.gif

Dwarf crested iris iris cristata purple flower.jpg

Dwarf crested iris flower in field plant.jpg

Viola pubescens scabriuscula FWS-1.jpg

Girl scouts in nature.jpg

Cave basalt formation.jpg

Clintons lily clintonia umbellulata.jpg

Wooden signpost at the crossroads.jpg

Very large tree trunk being transported vintage aging stock photography.jpg

Permanent wooden structure used for wildlife observation.jpg

Kasatochi Island, Alaska Maritime NWR.jpg

Alaska islands and ocean visitor center bike racks.jpg

July 4th fireworks, Washington, D.C LCCN2010630446.tif.tiff

Miners at American Radiator Mine, Mount Pleasant, Westmoreland County, Pennsylvania Digital ID- (digital file from original neg.) fsa 8a00946 http- hdl.loc.gov loc.pnp fsa.8a00946.jpg

Southern blue flag iris plant iris versicolor with yellow accented blossom.jpg

Trout cutthroat fish oncorhynchus clarkii clarkii.jpg

Delhi sands flower loving fly rhaphiomidas terminatus abdominalis.jpg

Observation deck on shoreline.jpg

Aerial shot of the San Diego border.jpg

Girl scouts help replant trees.jpg

Southern blue flag iris flower with purple blue accents blossom in long grass.jpg

Digging an airplane out of the snow.jpg

Natural areas stone formation.jpg

Aerial view of the trans Alaska oil pipeline.jpg

Volcanic crater at Ingakslugwat hills.jpg

Volcano eruption geology picture.jpg

Lower_Manhattan_seen_from_the_S.S._Coamo_leaving_New_York_fsa8a37399u.jpg

South America - Blue Marble orthographic.jpg

Field camp on Alaska in winter.jpg

Endangered moapa dace fish moapa coriacea in an aquatic environment.jpg

Designated wilderness marsh with oyster beds.jpg

Georges_Rochegrosse's_poster_for_Jules_Massenet's_Don_Quichotte.jpg

Clothes on line at winter.jpg

Judges take a close look at the entries for the 2011 Federal Junior Duck Stamp Contest.jpg

Aleutian church.jpg

Seaplane in shallows along an alaskan sandbar.jpg

Close up of ice on lake shore with village in background.jpg

Statue detail, Lincoln Memorial, Washington, D.C LCCN2010630881.tif.tiff

Crewmembers-walk-across-the-ships-flight-deck-before-the-sun-sets.jpg

Railroad bridge), Decatur, Alabama LCCN2010639463.tif.tiff

Mardi Gras Parade, New Orleans, Louisiana LCCN2011646922.tif.tiff

Scenic views along Route 1 near the Pacific Ocean in Northern California LCCN2013632219.tif.tiff

Barn along the road in Northern California LCCN2013633854.tif.tiff

Nighttime skyline view of Los Angeles, California, looking west toward the setting sun LCCN2013631258.tif.tiff

Scenic view of Mount Shasta in Northeast California LCCN2013635091.tif.tiff

A long Union Pacific freight train approaches near Cisco in Eastland County, Texas LCCN2014633605.tif.tiff

Detail armure parade duc de Parme et Plaisance Vienne.jpg

East_and_West_Shaking_hands_at_the_laying_of_last_rail_Union_Pacific_Railroad_-_Restoration.jpg

Pocked rocks in Hueco Tanks State Park & Historic Site in the low mountains above El Paso, Texas. The weathered rock is ideal for rockclimbing LCCN2014630774.tif.tiff

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