Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Utrechyt, The Netherlands - June 12, 2011: A magnifying glass on the start page of Wikipedia. Wikipedia is a online free encyclopedia to which volunteers can add articles.
Epithelial Cells in urine sediment.
Alternaria spore was zoom by transmission electron microscope. Alternaria is a genus of ascomycete fungi. Alternaria species are known as major plant pathogens.
Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.
Freshwater aquatic zooplankton and algae under microscope view
Kyiv, Ukraine - March 14, 2011: Start web page of Wikipedia in browser window with Wikipedia internet address. Wikipedia is a free encyclopedia that anyone can edit. Wikipedia is a multilingual, web-based, free-content encyclopedia project based on an openly editable model.The one of the biggest encyclopedia in the internet.
KOH slide preparation of the nail scraping microscopic showed long septated hyphae and numerous arthrospores.
Cheyletiella blakei Mite - Small Cat pest view under a microscope
The nematode Steinernema feltiae under the microscope, the species used as a biopesticide to infect fungus gnats in agriculture and gardening.
plant Stem of Nymphaea tetragona T.S. under light mircoscope with white background
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.
the texture of the surface of the microscope
Florence, Italy - March 9, 2011: Close up of the wikipedia.org site it is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 17 million articles (over 3.5 million in English) have been written collaboratively by volunteers around the world, and almost all of its articles can be edited by anyone with access to the site
Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background
Aspergillus niger and Aspergillus oryzae  (mold) under microscope for Microbiology in Lab.
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.
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.
Cheyletiella blakei Mite - Small Cat pest view under a microscope
A fixed preparation of yeast and hyphae stained with gentian violet that buds under a microscope with immersion
Cellular angiofibroma (CAF) is a rare, benign tumor of superficial soft tissues.
Uric acid crystal, Calcium oxalate dihydrate in urine sediment.
Photomicrograph of one celled amoeba. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Diatoms, algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.
Sediment in gram stain.
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.
close - up of a cat, isolated on white background
Liverpool, England - February 23, 2011: Wikipedia website main webpage on computer monitor. Wikipedia is a free project supported by the non-profit Wikimedia Foundation.
Microscopic fungi Malassezia furfur, showing yeast cells and hyphae. dermatophytes, Nail scraping or skin scraping for fungus test in microbiology laboratory.
Photomicrograph of Euglena species. Fresh water, California. Live specimen. Wet mount, 40X objective, transmitted bright field illumination.
Free Images: "bestof:Bufotalin.png Structure of bufotalin own 2008-10-20 Meodipt wikipedia en Meodipt Original upload log page en wikipedia Bufotalin png 2008-10-20 08 55 Meodipt"
Giuseppe Verdi, Un Ballo in maschera, Vocal score frontispiece - restoration.jpg
Sourlieswtreserve.JPG
Gangavaram beach.jpg
Porthleven Sunset.JPG
Naze landscape.jpg
Caribana parade 1.JPG
London Eye May 2002.jpg
Sunset in roxas blvd.JPG
Black River Beach Center.jpeg.jpg
Australian-lizard.JPG
Liatris microcephala.jpg
Butter Corn Ramen.JPG
Hauraki Gulf Sunset With Birds.jpg
Leopard gecko with new tail.JPG
Lawthornswt.JPG
Otvane Wildlife Animal 08.JPG
Lawthornswtboardwalk.JPG
Otvane Wildlife 022.JPG
DomtorenUitzichtIn2009.jpg
Balnarring Beach, Victoria, Australia.jpg
Tunnel Beach New Zealand II.jpg
Boston Financial District skyline.jpg
Blooming bottlebrush (Callistemon) found in Kelantan, Malaysia.JPG
Ally Pally Solstice03.jpg
AvroVulcan2008.JPG
Benllech Beach.jpg
Sunset at XMU.jpg
Main Beach, Lake Nokomis, Minneapolis, Minnesota - 20050814.jpg
WildlifeHamilton.JPG
Baroque_Rubens_Assumption-of-Virgin-3.jpg
March_on_Washington_for_Jobs_and_Freedom.jpg
Color coded racetrack large channel.gif
Sunset 6.jpg
Clearwater sunset.JPG
WikiDartEngine.gif
Wildlife 2.jpg
RemediosPlaza.jpg
RemediosPortals.jpg
Yellow sunrise.JPG
Geographe bay sunset hossen27.jpg
Skillionsunrise.jpg
Sunset July 08 050.JPG
Ranipuram wildlife sanctuary, Kerala, India.jpg
Otvane Wildlife Animal 04.JPG
Otvane Wildlife Animal 01.JPG
Huntington Beach High School tower.jpg
Converse Weapons.JPG
New Forest ponies.jpg
Sunset in Bauang Beach.JPG
Sarejevohagadah.gif
AlbionFallsHamilton.JPG
Koh thonsay beach.jpg
Manly Beach and water.jpg
BeaverSwimming.JPG
Maasai man, Eastern Serengeti, October 2006.jpg
Mt. Abu Sunset 1990.jpg
Sunset in Fairview.jpg
2006 CPLS Boys Soccer.jpg
Beach at Lake Minnewaska 2011.JPG
Berkeley Sunset by Bananna49.jpeg.jpg
Crystal Mountains CA.jpg
DundaffLinn.jpg
Aurangabad - Daulatabad Fort (30).JPG
Carnival Legend 3.jpg
2006 Kadisha Valley.JPG
Appleby Horse Fair.jpg
Maasai Enkang and Hut.JPG
Kaingaroa Beach.jpg
FortVermilion-Sunset.JPG
Rutgers Camden Baseball Team.jpg
Mother duck with chicks.jpg
Panorama Braye Beach.JPG
Otvane Wildlife 025.JPG
Otvane Wildlife 021.JPG
Otvane Wildlife 020.JPG
Otvane Wildlife 019.JPG
Otvane Wildlife 018.JPG
Otvane Wildlife 017.JPG
Otvane Wildlife 015.JPG
Harrison Crawford Obannon Woods building.jpg
Sabatia angularis albiflora.jpg
Oriental hybrid1.jpg
Sunset at the Tithal Beach, Valsad.jpg
Black Butte Sunset 8-3-2007.jpg
Port Logan sunset.jpg
Sunset in Barra - Salvador, Brazil.JPG
Black River Beach Neighborhood Center.jpeg.jpg
Eiffel closeup.jpg
Arromanches Beach.JPG
AucklandZoo.1030.JPG
AlbionFallsHamiltonA.JPG
Cavelake.JPG
Katydid tx.jpg
Criccieth beach.JPG
Fletcher Soccer STL.jpg
London Bus route 19 at Finsbury Park station terminus.JPG
Mount Rushmore Sunrise.JPG
Sunset over Lake Erie near Cleveland 2.jpg
Sandspit Sunset 9-5-09.jpg
Mt Martha Beach, Victoria, Australia.jpg
Terms of Use   Search of the Day