Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Photomicrograph of freshwater leech. Sucker attached to cover slip at bottom. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
ascaris megalocephala cross section under the microscope showing its cuticle, intestine and ovaries - optical microscope x100 magnification
Light microscope micrograph of a retina stained with the Golgi method. In the inner layer there are many amacrine cells with pear-shaped cell bodies located in the inner nuclear layer and dendrites ending in the inner plexiform layer.
Colorful seamless pattern with Crystal stones.
microscopic cross section cut of a plant stem under dark field microsope
plant Tilia Stem C.S. under light mircoscope with white background
Colorful, abstract micrograph of fish scale, sculpin (Cottidae) with polarization at 100x.
Micro world
Longitudinal section of a young pinecone showing internal structure, 10x magnification, hematoxylin stain.
Mushroom at Lake O'Hara in 1996. From old film stock.
Wood and bark cells of a Sudanese frankincense tree, Boswellia papyrifera, under the microscope and with polarized light.
Curly marble stone with fashion veins.
Ascaris under the microscope, background.
Closeup Beautifully colored wild flowers.
Low magnification micrograph of a renal cortex stained with the Gomori method to detect acid phosphatase. The presence of this enzyme can be checked in the proximal convoluted tubules. Neither the renal corpuscles nor the distal convoluted tubules appear stained. In the proximal tubules, acid phosphatase is located in cytoplasmic granules that correspond to lysosomes.
Moth Agriphila Straminella sitting an grass straw blurred bokeh background
Volvox sp. algae under microscopic view, polyphyletic genus of chlorophyte green algae in the family Volvocaceae
Morning scene landscape of Cogon grass blowing in the wind with shallow depth of field.
linden stem (Tilia platyphyllos) cross section under the microscope showing phloem, vascular cambium, medullary ray and pith - optical microscope x32 magnification
Short, creeping greyish, evergreen perennial forming mats, with erect flower stems. Leaves linear-cylindrical, 8-20mm, pointed, falling when dead. Flowers bright or pale yellow, 14-15mm, drooping in bud; petals often 7.\nHabitat: Rocky places, walls, stony pathways, to 2000m.\nFlowering Season: June-August.\nDistribution: North to S Scandinavia; naturalized in Britain and Ireland. W Europe to the Ukraine.\n\nThis Picture is made during a long weekend in the South of Belgium in June 2006.
Frozen coffee under the microscope and in polarized light.
Photomicrograph of Volvox globator, a green algae in various stages of development. Dark green spots are daughter colonies forming inside of parent colony. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
High magnification light micrograph showing the outer layers of the retina of a bird. From top to bottom: pigment epithelium layer with processes full of melanin granules, rod and cones layer, external limiting membrane, outer nuclear layer.
Micro world
Abstract rock surface with highly unstable macro shapes in brownish gray on a blurred black background
Reed warbler in a reed bed in Gosforth Park Nature Reserve.
Nerve or nervous tissue (spinal cord). Optical microscope, magnification X200.
Intricate bubble texture macro in bright colors for abstract background. Liquid bubbles lit from below with colors injected into the liquid as a design or art abstract.
Algae under microscopic view, diatoms, green algae, Antarctic minke whales, Cocconeis, pattern background
Tongue L.S. under light microscope with white background
Free Images: "bestof:CinclosomaCastaneothoraxRichter.jpg Cinclosoma castaneothorax Proceedings of the Zoological Society of London 1848-1849 http //www archive org/stream/..."
Cinclosoma_ajax_1838.jpg
Alitalia md-82 i-dacz planform arp.jpg
Raffaello Sanzio - Ritratto di Papa Giulio II (National Gallery, London).jpg
Pope_Julius_II.jpg
Hubble_Observes_Infant_Stars_in_Nearby_Galaxy_DVIDS727273.jpg
Triple_Portrait_of_Cardinal_de_Richelieu_probably_1642,_Philippe_de_Champaigne.jpg
Panorama_of_San_Francisco_by_Eadweard_Muybridge,_1878.jpg
Gustave_Wappers_-_Épisode_des_Journées_de_septembre_1830_sur_la_place_de_l'Hôtel_de_Ville_de_Bruxelles.jpg
Sargent,_John_Singer_(RA)_-_Gassed_-_Google_Art_Project.jpg
Stroop Report - Warsaw Ghetto Uprising 06b.jpg
Admiral_Hood_1783.jpg
Corrin-IUPAC.svg
Lawrence,_Sir_Thomas_-_A_boy,_called_the_Rev._Ozias_Thurston_Linley_-_Google_Art_Project.jpg
Lawrence,_Sir_Thomas_-_Maria_Linley_-_Google_Art_Project.jpg
Dante Gabriel Rossetti - Jane Morris (The Blue Silk Dress).jpg
Assertion_of_Liberty_of_Conscience_by_the_Independents_of_the_Westminster_Assembly_of_Divines,_1644.jpg
TkWWW Browser layout.svg
Ancyridris.polyrhachioides.-.wheeler.svg
Romblonella.opaca.-.wheeler.svg
TkWWWrobot.svg
Java_Tiger.jpg
George_Nathaniel_Curzon_by_John_Singer_Sargent_1914.jpeg
Tom_Taylor.jpg
Zumpe_english_single_square_action.svg
Watson_and_the_shark_-_Detroit.gif
Obaysch_1852.jpg
J class, Wuraming, ca. 1920s.jpg
Isambard_Kingdom_Brunel_signature.svg
J_S_Copley_-_Watson_and_the_Shark_3.png
Rimbaultp191fig2.svg
Dante_Gabriel_Rossetti_-_Proserpine.JPG
Henry_Nelson_O'Neil_-_Eastward_Ho!_-_1857.jpg
John_Singleton_Copley_-_Watson_and_the_Shark_(Detroit)_-_detail.jpg
John_Singleton_Copley_-_Watson_and_the_Shark_(Detroit).jpg
Harald_Slott-Møller_-_Georg_Brandes_ved_universitetet_i_København.jpg
Friedrich_Engels.jpg
Z.K.H._Prins_Yusuf_Izzedidin_van_Turkije_1857-1916.jpg
Anna_Kingsford_signature.svg
Napoleon_in_Egypt_by_Edouard_Detaille.jpg
EVAppleton.jpg
PennyCyclopediaWornumFig12.svg
Kardinaal_de_Richelieu.jpg
The_Hippopotamus_at_the_Regents_Park_Zoo,_ca._1855.jpg
Female_war_correspondents_World_War_II.jpg
Distribution of Lactarius blennius.svg
Henry_William_Pickersgill_001.jpg
Lionel_de_Rothschild_HOC.jpg
Don_Juan,_Comte_de_Montizón_-_Obaysch,_the_Hippopotamus,_London_Zoo_-_Google_Art_Project.jpg
Piazzo san marco - detroit.PNG
LiebmanmemoserviceF3Kösen.jpg
Dutch_Painting_in_the_19th_Century_-_Van_de_Laar_-_The_Divorce.png
Lucas_Cranach_the_Elder_-_Portrait_of_Johann_the_Steadfast_-_Google_Art_Project.jpg
Ras_Mäkonnen_(Wäldä-Mika'él)_(1852-1906).jpg
Falongsibeiye.svg
Sarah_Malcolm_by_William_Hogarth.jpg
Dante Gabriel Rossetti - Fanny Cornforth.jpg
Treaty_of_Paris_by_Benjamin_West_1783.jpg
Lucas_Cranach_the_Elder_-_Portrait_of_Johann_the_Steadfast_1509.jpg
John_Singleton_Copley,_American_-_Portrait_of_Mr._and_Mrs._Thomas_Mifflin_(Sarah_Morris)_-_Google_Art_Project.jpg
A_Lady_at_her_Toilet_-_Gerard_Terborch.png
Lucas_Cranach_the_Elder_-_Portrait_of_Johann_Friedrich_the_Magnanimous_-_Google_Art_Project.jpg
Dante_Gabriel_Rossetti_The_Salutation_of_Beatrice_1869.jpg
Sir_Joshua_Reynolds_-_Miss_Elizabeth_Ingram_-_Google_Art_Project.jpg
Thomas_Gainsborough_-_Isabella,Viscountess_Molyneux,_later_Countess_of_Sefton_-_Google_Art_Project.jpg
Jacques-Emile_Blanche_-_Charles_Conder,_1904.jpg
Portrait_of_Lawrence_Challoner_Garratt_(1874)_by_Henry_Richard_Graves.jpg
Dante Gabriel Rossetti - La Castagnetta.jpg
Dante Gabriel Rossetti - Desdemona's Death Song (a fragment).jpg
Dante Gabriel Rossetti - Angels Watching the Crown of Thorns.jpg
Dante Gabriel Rossetti - Pandora.jpg
George_Romney,_Portrait_of_Mrs_James_Fletcher_(née_Fell)_(c._1765).jpg
John_Everett_Millais_-_Isabella_-_Google_Art_Project.jpg
Beechey,_Sir_William_-_Self_Portrait_after_Beechey_-_Google_Art_Project.jpg
Dante_Gabriel_Rossetti_-_Design_for_Moxon's_Tennyson_-_Saint_Cecilia_-_Google_Art_Project.jpg
Dante_Gabriel_Rossetti_-_Design_for_Moxon's_Tennyson_-_King_Arthur_and_the_Weeping_Queens_-_Google_Art_Project.jpg
Dante_Gabriel_Rossetti_-_Love's_Mirror_or_a_Parable_of_Love_-_Google_Art_Project.jpg
Dante_Gabriel_Rossetti_-_Morning_Music_-_Google_Art_Project.jpg
Portrait_of_Midshipman_John_Windham_Dalling,_RN_(c_1800)_by_George_Henry_Harlow_-_02.jpg
Portrait_of_Midshipman_John_Windham_Dalling,_RN_(c_1800)_by_George_Henry_Harlow.jpg
Giovanni Battista Tiepolo - Allegory of the Immaculate Conception - NGI.353.jpg
David Teniers II - (detail) Portrait of an unknown man by Jan van Scorel.jpg
Franco-Prussian_War_-_Students_Going_to_Man_the_Barricades_-_Illustrated_London_News_Oct_1_1870.jpg
Lucas_Cranach_the_Elder_-_Portrait_of_Johann_Friedrich_the_Magnanimous.jpg
Le_Nain_Adoration_NG.jpg
Le_Nain_Adoration_NGdeep_crop.jpg
Max_Liebermann_Zwei_Reiter_am_Strand_bis_1939_Kunstsammlung_David_Friedmann_Breslau.jpg
Dante_Gabriel_Rossetti_-_Sir_Launcelot_in_the_Queen's_Chamber_-_Google_Art_Project.jpg
Dante_Gabriel_Rossetti_-_Launcelot_at_the_Shrine_of_the_Holy_Grail_-_Study_for_The_Angel_of_the_Holy_Grail_-_Google_Art_Project.jpg
Liebermann,_Max_-_Zwei_Reiter_am_Strand_-_Gurlitt.jpg
David Teniers II - Lady with an Ermine (1653) (cropped).jpg
Thomas_Gainsborough_026.jpg
Dante Gabriel Rossetti - Woman Combing Her Hair.jpg
Miss_or_Mrs_Townsend_(c_1794),_attributed_to_Gainsborough_Dupont.jpg
Holy_family_with_angels.jpeg
The_Shannon_Portrait_of_the_Hon_Robert_Boyle.jpg
Sir_Arthur_Wellesley,_1st_Duke_of_Wellington.png
Rembrandt_-_The_Holy_Family_with_Angels_-_WGA19128.jpg
Portrait_Group_of_the_Smith_Children_on_a_Terrace_with_a_Spaniel,_Basket_of_Flowers_and_a_Parakeet_(c_1718)_by_James_Maubert.jpg
Brother_Martin_Barry,_MM,_officiating_a_tug-of-war_match,_China,_ca._1918-1938_(MFB-LS0015).jpg
Brother_Barry_Martin,_MM,_teaching_Chinese_boys_to_box,_China,_ca._1918-1938_(MFB-LS0016).jpg
Terms of Use   Search of the Day