Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Some amoebas like this one form shells. Shell is composed of bits of rock (sand), diatom shells, and other debris. Fresh water. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Colorful seamless pattern with Crystal stones.
Microbial Biofuel energy cell in macroscopic view. Concept 3D illustration mockup. Solar-to-fuel algae Ethanol power and engineered cyanobacterium, algal bacteria as future zero waste renewable energy
Study of Parasitic helminths (Trematodes) of marine fishes under a microscope.
flower bud of lilium brownii var. viridulum T.S. on microscopy
Diatoms, algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
Geotricum fungi in CD destroying it, microscopic view. How the fungi ises the scratches toenter inside the Compact Disc aluminum layer... Awesome
Notoedres cati under the microscope. Notoedric mange, also referred to as Feline scabies, is a highly contagious skin infestation caused by an ectoparasitic and skin burrowing mite Notoedres cati.
Crystal gems, gem rocks and mineral gems. Isolated natural colored gemstones, glass, jewelry or geological magic items, purple, red, green, yellow, pink and blue. Vector rock set
Photomicrograph of one celled amoeba. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Gemma from a Marchantia polymorpha thallus from a stream called Broad Brook in East Windsor, Connecticut at about 100x with polarization.
Phacus is a genus of unicellular protists, of the phylum Euglenozoa.
plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background
Ciliates Stentor found in freshwater pond under the light microscope
Curly marble stone with fashion veins.
False color image of diatom under the microscope
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
Molding foam lime green
Notoedres cati under the microscope. Notoedric mange, also referred to as Feline scabies, is a highly contagious skin infestation caused by an ectoparasitic and skin burrowing mite Notoedres cati.
plant rape flower cross section under light mircoscope with white background
Plant anatomy and ecology. Common Bladderwort (Utricularia vulgaris). On filamentous leaves located hunting capsule of insectivorous plant - round animal plankton digested inside. Ultra macro
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.
Host cells with spores (mold) are inside wood under the microscope for education.
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. Abstract pattern. Good for Wallpaper texture background. Turquoise, green\n\n.
Microzooplankton under microscopic view, zooplankton
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.
Imperceptible to the naked eye close-up of strawberry seeds in high resolution.
Ascaris C.S. under light microscope with white background
Free Images: "bestof:Peridinium ovatum cyst detail.png en Cyst of a dinoflagellate Peridinium ovatum cite book Morphologie und biologie der Algen Oltmanns Freidrich 1 1904 Jena"
TOURING europa S 52150167 by ITT Schaub-Lorenz Wien.jpg
Whistlers_Mother_high_res.jpg
15-07-05-Schloß-Caputh-RalfR-N3S_1712.jpg
Muybridge_Buffalo_galloping.gif
Landscape_of_Danube_near_Regensburg,_Albrecht_Altdorfer,_W.A.F._30,_Alte_Pinakothek_Munich.jpg
Polish_cavalry_in_Sochaczew(1939)a.jpg
Groene rups 4-5cm opgerold.jpg
Carta_Marina.jpeg
Groene rups 4-5cm.jpg
Fontaine_Diane_Fountain_Diana_Anet_Louvre_MR_1581,_MR_sup_123.jpg
Jacques-Louis David, The Coronation of Napoleon edit.jpg
Stroop Report - Warsaw Ghetto Uprising 06b.jpg
Vinland_Map_HiRes.jpg
Stroop Report - Warsaw Ghetto Uprising 06.jpg
Franck-Hertz en.svg
Die_Rasenbleiche.jpg
Hieronymus_Francken_(II)_-_Die_Kunsthandlung_des_Jan_Snellinck_in_Antwerpen_-_Detail.jpg
Sascha_Schneider_(1904)_Detail.jpg
Canaletto_(I)_036.jpg
Vor_dem_Auszug_der_Lützower_Jäger_-_Detail.jpg
Hans_Gude--Ung_Dame_Med_Syriner-Detail--1897.jpg
Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_der_Kurfürst_mit_Chronos,_Victoria_und_Minerva.jpg
D'Hondecoeter,_Melchior_-_Het_drijvende_veertje_(detail).jpg
Nikutowski_-_Der_heitere_Empfang.jpg
Logo der Gemeinde Affing (Schwaben).svg
Der_Moench_am_Meer_(Ausschnitt).jpg
Duerer_(Marter_der_zehntausend_Christen).jpg
Bartolomeo_Vivarini_-_Psyche_betrachtet_den_schlafenden_Amor_-_Detail.jpg
Alonso_Sánchez_Coello_001c.jpg
Charles Meynier - Entrée de Napoléon à Berlin. 27 octobre 1806.jpg
Stratz_-_Körper_des_Kindes_35.jpg
Distribution of Lactarius brunneoviolaceus.svg
Distribution of Lactarius tuomikoskii.svg
Distribution of Lactarius syringinus.svg
Distribution of Lactarius brunneohepaticus.svg
PDONR221 Map.svg
Johann_Heinrich_Füssli_-_Titania_liebkost_den_eselköpfigen_Bottom_-_1793,_1794,_Detail_(scan).jpg
Stratz_-_Körper_des_Kindes_10.jpg
Distribution of Russula versatilis.svg
'Bij grootmoeder'. Rijksmuseum SK-A-1187.jpeg
Gustav_Klimt_016.jpg
Johann_Heinrich_Füssli_-_Titania_liebkost_den_eselköpfigen_Bottom.jpg
Horemans,_Peter_Jakob_-_Küchenstillleben_mit_weiblicher_Figur_und_Papagei_-_1760_(Detail_Person).jpg
Govert_Flinck_010.jpg
Dirck_van_Baburen_Saint_Peter.jpg
Jahrhundertausstellung_1906_KatNr._0642.jpg
Jahrhundertausstellung_1906_KatNr._1170.jpg
Pieter_de_Hooch_-_Young_woman_in_an_interior,_receiving_a_letter.jpg
Littrow-Fishing_boats_by_the_coast.jpg
Friedrich Zweite Alt.jpg
Hans Gude--Fiskerbarn Chiemsee--1867.jpg
Joseph_Mallord_William_Turner_054.jpg
RBrown-RudHoffmann59.jpg
Bühnenbildentwurf_Rheingold.JPG
Bühnenbildentwurf_Walküre.JPG
Bühnenbildentwurf_Siegfried.JPG
LOCOS birds beak DE.svg
Wrc.svg
Ticketverkäufe Freiburg Hauptbahnhof 1900–1935.svg
Ticketverkäufe Freiburg Hauptbahnhof 1900-1988.svg
Ticketverkäufe Freiburg Hauptbahnhof 1900–1935 b.svg
Distribution of Lepiota clypeolaria.svg
Drug-inpatients-germany-2009-2012.svg
Salmo_sp._Linnaeus_1758_Kopf_Mund_mit_Zaehnen_und_Vomer_Fig_120_(Matschie_et_al._1909).svg
Distribution of Russula amarissima.svg
Jan_Miense_Molenaer_006.jpg
The Family of Darius before Alexander by Paolo Veronese 1570.jpg
Bernardo_Strozzi_-_Die_eitle_Alte.jpg
Oskar_Heller_-_Frühling_-_Paar_im_Apfelgarten.jpg
Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_weibliche_Allegorie_mit_Ährenkranz_und_dem_brandenburgischen_Adler.jpg
Die_Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_Fauna_mit_Füllhorn_und_geldstreuendem_Putto.jpg
Vincent_van_Gogh_-_The_Enclosed_Wheatfield_After_a_Storm_F1547_JH1724.jpg
Hans Gude - Tordenskyer over Chiemsee - Thunder Clouds over the Chiemsee - 1867.jpg
Royen, Willem Frederik van - Zwergsäger auf der Havel bei Caputh detail - Schloss Caputh.jpg
Distribution of Mycena renati.svg
Distribution of Cortinarius croceus.svg
Distribution of Cortinarius acutus.svg
Distribution of Cortinarius obtusus.svg
Distribution of Hygrophorus cossus.svg
Victoria_in_her_Coronation.jpg
Anton_von_Werner,_Kapitulations-Verhandlungen_von_Sedan_(19._Jhdt.,_Schwarz-Weiß-Version).png
Ferdinand_Hodler_001'.jpg
Jahrhundertausstellung_1906_KatNr._1388g.jpg
Pieter_de_Hooch_-_Outside_the_Tavern.jpg
Drogen-schadenspotenzial-nutt-2010.svg
Anguilla_anguilla_(Linnaeus_1758)_Larven_(Leptocephalus)_Fig_163a_(Matschie_et_al._1909).svg
Virgin and Child with the Saints Catherine and Barbara by Lucas Cranach the Elder - Statens Museum for Kunst - DSC08163.JPG
Jahrhundertausstellung 1906 KatNr. 0244.jpg
Jahrhundertausstellung 1906 KatNr. 1631.jpg
Caspar_David_Friedrich_-_Kreuz_an_der_Ostsee_(Schloss_Carlottenburg,_Neuer_Pavillon).jpg
George_Romney,_Portrait_of_Mrs_James_Fletcher_(née_Fell)_(c._1765).jpg
Maximilian_III_Joseph_of_Bavaria_by_Georges_Desmarées.jpg
Ferdinand_Hodler_-_Genfersee_von_Chexbres_aus.jpg
Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_Standhaftigkeit,_Poesie,_Pietas.jpg
Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_Herrschaft,_Clementia,_Justitia,_Prudentia.jpg
Die_Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_Kurfürst.jpg
Die_Erhebung_des_Großen_Kurfürsten_in_den_Olymp_(van_Loo)_-_Putten.jpg
Jahrhundertausstellung_1906_KatNr._0546.jpg
Jahrhundertausstellung_1906_KatNr._0851c.jpg
Jahrhundertausstellung_1906_KatNr._1039a.jpg
Terms of Use   Search of the Day