Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Freshwater zooplankton Rotifer or Rotifera Euchlanis by microscope. Wheel animals. Benthic.
Insect Specimens: Colorful Beetle
Callipogon armillatus isolated on white background
plant Zea Stem C.S. under light mircoscope with white background
microscopic view of plant cells for botanic education and analysis
A broad winged  Damselfly at rest on a wild flower. The latin name for Damselflies is Zygoptera. \n Lots of copy space. Taken in Northampton UK.
Freshwater aquatic zooplankton and algae under microscope view
Trematode parasite under a microscope
Common ground beetle close-up on a white isolated background
Spore bags of helminthosporium contain 8 cells. This disease causes helminthosporiosis of wheat. Soon very small and quite harmful.
Collection of Flying Insect Specimens
\
Cicada (Cicadidae) Macro photography.
Algae under microscopic view, Chrysophyte, diatoms, phytoplankton, fossils, silica, golden yellow algae
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 Paramecium caudatum. Consists of only one cell. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
pest control treatment, german cockroach trapped on a sticky paper sheet
Antimicrobial susceptibility testing in culture plate. Drug sensitivity test, disk drug, antibiotic sensitivity, Ciprofloxacin resistance.
Cheyletiella blakei Mite - Small Cat pest view under a microscope
A plant cell is a fundamental unit of plant life, containing various organelles, including the cell wall, chloroplasts, and a large central vacuole, which are unique to plant cells. These cells serve as the building blocks of plants and play essential roles in photosynthesis, growth, and structural support.
Squash preparation of stained onion root tip cells showing various stages of mitosis. Differential interference contrast optics on a Leica microscope, Image taken with the X40 objective lens.  Depth of focus is extremely shallow (just a few microns).  Differential interference contrast results in an optical slice horizontally through the specimen providing maximum possible resolution at this magnification and good contrast. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.
Amphora sp. algae under microscopic view, Diatoms, phytoplankton, fossils, silica, golden yellow algae
Kleidocerys resedae Birch Catkin Bug Insect. Digitally Enhanced Photograph.
Super macro photo of Spider, butterfly caterpillar, Bee, Insects and Other animals in nature.
Stick insect specimens
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.
cockroaches white background scary horrifying
microscopiv view of a cross cut section
Dragonfly on branch - animal behavior.
Free Images: "bestof:ColotisEucharisSeitz.jpg Colotis eucharis Plate from Adalbert Seitz ed Macrolepidoptera of the World before 1910 Adalbert Seitz ed Artist unknown pd-old PD-old"
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
"Canoes_on_Beach,_Calabar",_late_19th_century_(imp-cswc-GB-237-CSWC47-LS2-027).jpg
Jamaican_Sunrise,_Hamstead,_Jamaica,_ca.1875-ca.1940_(imp-cswc-GB-237-CSWC47-LS11-033).jpg
Sir_Peter_Paul_Rubens_-_Daniel_in_the_Lions'_Den_-_Google_Art_Project.jpg
Fra_Angelico,_Fra_Filippo_Lippi,_The_Adoration_of_the_Magi.jpg
Albert_Bierstadt_-_The_Rocky_Mountains,_Lander's_Peak.jpg
Georges_Rochegrosse's_poster_for_Jules_Massenet's_Don_Quichotte.jpg
John_Bauer_-_Princess_Tuvstarr_gazing_down_into_the_dark_waters_of_the_forest_tarn._-_Google_Art_Project.jpg
Étienne_Carjat,_Portrait_of_Charles_Baudelaire,_circa_1862.jpg
Sargent,_John_Singer_(RA)_-_Gassed_-_Google_Art_Project.jpg
Rogier_van_der_Weyden_-_Portrait_of_a_Lady_-_Google_Art_Project.jpg
Edward_Savage_-_The_Washington_Family_-_Google_Art_Project.jpg
Elektromote1882.jpg
Kitchen Bazaar by Eugène Flandin.jpg
Francisco José de Goya y Lucientes - The sleep of reason produces monsters (No. 43), from Los Caprichos - Google Art Project.jpg
Abraham_Lincoln_small.png
Sunrise_(1847)_Frederic_Edwin_Church.jpg
RedCrossNursen.jpg
Shah_Ismail_I.jpg
Jussieu_Antoine-Laurent_de_1748-1836.jpg
Sunset_&_Catskills_from_Church_Hill_Frederic_Edwin_Church.jpg
Masjid Shah, view of the courtyard by Pascal Coste.jpg
John-bell-II-B-6.jpg
Krainska_deschela_1778.jpg
Madonna_with_child_and_angels.jpg
Relief Fath Ali Shah and his son by Eugène Flandin.jpg
Cobbe_portrait_of_Shakespeare.jpg
Unknown,_Iran_-_Silk_Carpet_-_Google_Art_Project_(1901828).jpg
이하응_초상.jpg
Hasht Behesht, Detail of the dome by Pascal Coste.jpg
Goddess_Bhadrakali_Worshipped_by_the_Gods-_from_a_tantric_Devi_series_-_Google_Art_Project.jpg
1850_Mitchell_Map_of_Arabia,_Persia,_Afghanistan_-_Geographicus_-_Arabia-mitchell-1850.jpg
The_Ninth_Karmapa,_Wangchug_Dorje_(1555-1603)_-_Google_Art_Project.jpg
Osman_Hamdi_Bey_-_The_Tortoise_Trainer_-_Google_Art_Project.jpg
Shepherds_Bow_-_Google_Art_Project.jpg
Combat de coqs Pompei mosaic NAMNaples sn.jpg
Henri-Edmond_Cross_-_The_Evening_Air_-_Google_Art_Project.jpg
Margaret_Bernardine_Hall_-_Fantine_-_Google_Art_Project.jpg
Rahula_-_Google_Art_Project.jpg
Winslow_Homer_-_The_Fog_Warning_-_Google_Art_Project.jpg
Tibetan,_Central_Tibet,_Tsang_(Ngor_Monastery),_Sakya_order_-_Four_Mandalas_of_the_Vajravali_Series_-_Google_Art_Project.jpg
Qur'an Folio - Google Art Project.jpg
C.D._Friedrich_-_The_Riesengbirge.jpg
Northeaster_by_Winslow_Homer_1895.jpg
Caspar_David_Friedrich_(19)Riesengebirge.JPG
Anna_Palm_-_A_game_of_L'hombre_in_Brøndum's_Hotel_-_Google_Art_Project.jpg
2015_Hotel_Metropol_Moscow_04.jpg
27_Sammlung_Eybl_Russland._Anonym._Европейская_Война._Осада_Перемышля._(Der_europäische_Krieg._Die_Belagerung_von_Przemyśl)._1915._57_x_80_cm._(Slg.Nr._803).jpg
Caspar_David_Friedrich_026.jpg
Resources_of_Wisconsin.jpg
Cantino_planisphere_(1502).jpg
Édouard_Manet_-_Le_Vieux_Musicien.jpg
King_Kelly_0554fu.jpg
Extermination_of_Evil_Tenkeisei.jpg
Extermination_of_Evil_Shinchū.jpg
Extermination_of_Evil_Vaisravana.jpg
Hans_Baldung_Grien_-_Portrait_of_a_Man_-_Google_Art_Project.jpg
Chen_Rong_-_Nine_Dragons.jpg
Extermination_of_Evil_Tenkeisei_crop.jpg
Giuseppe Verdi, Un Ballo in maschera, Vocal score frontispiece - restoration.jpg
Elizabeth_I_in_coronation_robes.jpg
"America" (Engraving) Nova reperta (Speculum diuersarum imaginum speculatiuarum 1638).tif.tiff
Flammarion.jpg
Workshop_of_Hans_Holbein_the_Younger_-_Portrait_of_Henry_VIII_-_Google_Art_Project.jpg
Edouard_Manet_-_At_the_Café_-_Google_Art_Project.jpg
Extermination_of_Evil_Shōki.jpg
Boston_Massacre_high-res.jpg
Extermination_of_Evil_Sendan_Kendatsuba.jpg
Washington_Crossing_the_Delaware_by_Emanuel_Leutze,_MMA-NYC,_1851.jpg
Edwin_Smith_Papyrus_v2.jpg
Lord_Frederic_Leighton_-_Cymon_and_Iphigenia_-_Google_Art_Project.jpg
1794_Samuel_Dunn_Wall_Map_of_the_World_in_Hemispheres_-_Geographicus_-_World2-dunn-1794.jpg
Thomas_Rowlandson_-_Vaux-Hall_-_Dr._Johnson,_Oliver_Goldsmith,_Mary_Robinson,_et_al.jpg
The_men_wear_traditional_dress,_with_caps_or_turbans_on_their_heads._(IMP-CSCNWW33-OS14-11).jpg
Young_girl_in_sari,_India,_ca._1906_(IMP-CSCNWW33-OS15-79).jpg
View_of_Motihari,_India,_ca._1906_(IMP-CSCNWW33-OS14-8).jpg
Iron_boat,_cycles_etc._en_route_Ngombe,_Congo,_ca._1900-1915_(IMP-CSCNWW33-OS12-4).jpg
Ukpabio_of_Adiabo,_Calabar,_Nigeria,_ca._1900-1910_(IMP-CSWC47-LS9-18).jpg
BeatrizMichelena_1910.jpg
EvelynWilliamRashleigh.jpg
Thanka_-_Google_Art_Project_(434620).jpg
Thanka_-_Google_Art_Project_(436593).jpg
Pulman_and_Son_-_(Maori_woman_and_two_children)_-_Google_Art_Project.jpg
A_Glória,_Rio_de_Janeiro_by_Eduard_Hildebrandt_(1847).jpg
Textile_-_Google_Art_Project.jpg
Roundel_-_Google_Art_Project.jpg
Young_girlies_at_Yaseki,_Congo,_ca._1900-1915_(IMP-CSCNWW33-OS11-6).jpg
Young_Woman_named_Petro,_Tumutumu,_Kenya,_ca.1905-ca.1940_(imp-cswc-GB-237-CSWC47-LS7-018).jpg
Village_group,_Congo,_ca._1900-1915_(IMP-CSCNWW33-OS11-4).jpg
Young_women_and_children,_Congo,_ca._1900-1915_(IMP-CSCNWW33-OS10-38).jpg
John_Singleton_Copley_-_Watson_and_the_Shark_-_Google_Art_Project.jpg
Vincent_van_Gogh_-_Self-Portrait_-_Google_Art_Project_(719161).jpg
Attributed_to_Silas_A._Holmes_(American_-_Broadway_Looking_North_from_Between_Grand_and_Broome_Streets_-_Google_Art_Project.jpg
Sandro_Botticelli_-_The_Adoration_of_the_Magi_-_Google_Art_Project.jpg
Fra_Angelico_and_Fra_Filippo_Lippi_-_The_Adoration_of_the_Magi_-_Google_Art_Project.jpg
Fra_Angelico_and_Fra_Filippo_Lippi_-_The_Adoration_of_the_Magi_-_Google_Art_Project_(central_cropped).jpg
Fra_Angelico_and_Fra_Filippo_Lippi_-_The_Adoration_of_the_Magi_-_Google_Art_Project_(cropped).jpg
Fra_Angelico_and_Fra_Filippo_Lippi_-_The_Adoration_of_the_Magi_-_Google_Art_Project_(cropped_right).jpg
BorovikovskiyV_PtGKushelNOV.jpg
Johann_Georg_Seitz_-_Früchtestillleben_mit_Insekten.jpg
Terms of Use   Search of the Day