Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Microscopic image of the cross section of the root of a buttercup (crowfoot) plant - Ranunculus repens. The propeller shaped pattern in the center is the vascular tissue for transporting water and nutrients up and down the plant. The circles are the individual cells.
MALDIVES - CIRCA 1975: A stamp printed in India from the \
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.
plant Pumpkin ovary under light mircoscope with white background
The Bark, Flower, Root and Seed of the Bauhinia tomentosa is used for medicinal purpose
Vintage Victorian bookplate, title, Atlas of Ancient Geography 19th Century
Flowers of a white hibiscus on a white background
Colorful seamless pattern with Crystal stones.
giant blue swallowtail
Mesua ferrea, Ceylon ironwood,  White flower isolated on white background with clipping path
Cross sections of plant stem under light microscope view for botany education.
A large tree with green leaves is the main focus of the image. The tree is standing alone on a white background, which gives it a sense of solitude and peacefulness.
Round, green chloroplasts in plant cells of anacharis or waterweed, Egeria densa. Chloroplasts carry chlorophyll which makes them green. These chlorplasts actually circulate around within each cell. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
The study of plant tissues under the microscope in the laboratory.
Striatella unipunctata algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
plant rape flower cross section under light mircoscope with white background
microscopic view of plant cells for botanic education and analysis
Micro world
The Bark, Flower, Root and Seed of the Bauhinia acuminata is used for medicinal purpose
Adansonia digitata, baobab, is the most widespread of the Adansonia species on the African continent.  Meru National Park, Kenya
White flower with red stamens, accompanied by green branches and leaves, isolated on white background.
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.
Wheat stem, cross section, 8X light micrograph. Blue stained stem of Triticum under a light microscope, a grass widely cultivated for its seed, a cereal grain that is a worldwide staple food. Photo.
Curly marble stone with fashion veins.
Monocot root cross section slide view under the microscope for botany education.
Insect bitten leaf - negative image technique.
The Bark, Flower, Root and Seed of the Bauhinia acuminata is used for medicinal purpose
Scanned white Clematis (Guernsey Cream) isolated on white background.
Chinese lantern
Free Images: "bestof:Thespesia sp Blanco2.333.png Plate from book Flora de Filipinas Gran edicion Atlas II http //bibdigital rjb csic es 1880 1883 Francisco Manuel Blanco O S A"
Stroop Report - Warsaw Ghetto Uprising 06.jpg
Stroop Report - Warsaw Ghetto Uprising 06b.jpg
Fontaine_Diane_Fountain_Diana_Anet_Louvre_MR_1581,_MR_sup_123.jpg
Poisson polychrome terre cuite chypre amathonte Louvre AM 976.jpg
De qué lado caerá, de Demócrito.jpg
Miranda en la Carraca by Arturo Michelena.jpg
La_familia_de_Carlos_IV.jpg
Modern_Languages_at_Finger_Lakes_Community_College_-_Costa_Rica_2013.jpg
La Rendición de Bailén (Casado del Alisal).jpg
Polish_cavalry_in_Sochaczew(1939)a.jpg
Rogier_van_der_Weyden_-_Portrait_of_a_Lady_-_Google_Art_Project.jpg
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
Maja_vestida_(Prado).jpg
Ferrocarriles Argentinos - Gran Capitán.jpg
Don_Manuel_Osorio_Manrique_de_Zunica.jpg
Maja_desnuda_(museo_del_Prado).jpg
Esquema Tabla Zoelas.jpg
MANNapoli 6281 Sitting Apollo Farnese.jpg
Francisco Franco 1930.jpg
FRUTILLAR:_Erupción_volcán_Calbuco.jpg
Goya_Maja_naga2.jpg
Haeckel_Spumellaria.jpg
Condesa_de_chinchon.jpg
Neptune and Hercules UNITAS.jpg
Goya_Maja_ubrana2.jpg
Cristo_en_la_cruz_(Goya).jpg
La Rendición de Granada - Pradilla.jpg
Francisco_de_Goya_y_Lucientes_-_Gaspar_Melchor_de_Jovellanos.jpg
Manuel_Domínguez_Sánchez_-_Margarita_delante_del_espejo.jpg
Juan Francisco Ordoñez.jpg
Goya_Dog.jpg
Doña_Juana_"la_Loca"_(Pradilla).jpg
Vicente_López_Portaña_-_el_pintor_Francisco_de_Goya.jpg
Francisco_de_Goya_y_Lucientes_-_Duelo_a_garrotazos.jpg
Cranes made by Origami paper.jpg
Portrait Caliph Abdulmecid II.jpg
Francisco_de_Goya_y_Lucientes_016.jpg
Haeckel_Stephoidea.jpg
Haeckel_Stephoidea_edit.jpg
Sphinx_serapeum_saqqara_Louvre_N_391.jpg
Stèle_albâtre_syrie_Aruad_Arados_Louvre_AO4815.jpg
Entierro_de_Cristo_(Tiziano).jpg
AnimatieGraniteRomania 1859-2010.gif
Parque Avenida Building in Paulista Avenue.jpg
Carta_Marina.jpeg
El_dos_de_mayo_de_1808_en_Madrid.jpg
Couvercle_sarcophage_saïda_Sidon_Liban_Louvre_AO5012.jpg
María_Cristina_de_Borbón-Dos_Sicilias,_reina_de_España.jpg
Francisco_de_Goya,_Saturno_devorando_a_su_hijo_(1819-1823).jpg
Doña_Isabel_la_Católica_dictando_su_testamento_(Rosales).jpg
Faune_au_chevreau_Faun_with_kid_Lepautre_Louvre_M.R.1808.jpg
The_Dance_Lesson_by_Edgar_Degas.jpg
Nagasaki_1945_-_Before_and_after_(adjusted).jpg
William_Hogarth_-_Gin_Lane.jpg
Serapis_Louvre_AO1027_profil.jpg
Gustave_Doré_-_The_Holy_Bible_-_Plate_I,_The_Deluge.jpg
Boise_State_MSS_122_2_crop.jpeg
15-07-05-Schloß-Caputh-RalfR-N3S_1712.jpg
Edouard_Manet_-_Berthe_Morisot_With_a_Bouquet_of_Violets_-_Google_Art_Project.jpg
Étienne_Carjat,_Portrait_of_Charles_Baudelaire,_circa_1862.jpg
John_Maynard_Keynes.jpg
Plotarhis Vlakavas P 74.jpg
LindisfarneFol27rIncipitMatt.jpg
Raden_Saleh.jpg
Gustave_Wappers_-_Épisode_des_Journées_de_septembre_1830_sur_la_place_de_l'Hôtel_de_Ville_de_Bruxelles.jpg
Layla_and_Majnun2.jpg
Washington_Crossing_the_Delaware_by_Emanuel_Leutze,_MMA-NYC,_1851.jpg
Gottlieb-Jews_Praying_in_the_Synagogue_on_Yom_Kippur.jpg
Campanahuesca.jpg
La_campana_de_Huesca.jpg
Francisco Santa Cruz Pacheco (Palacio del Senado de España).jpg
Marques de miraflores.jpg
Manuel de la Pezuela y Cevallos, marqués de Viluma (Palacio del Senado de España).jpg
Alejandro_Mon_Menéndez.jpg
Alejandro_Mon.png
Retrato del rey Alfonso XII de España (Universidad de Salamanca).png
Hornillo,_perula_y_dos_lebrillos.jpg
Manuel Seijas.JPG
Portrait_d'homme,_anciennement_portrait_de_Denis_Diderot_par_Fragonard.jpg
Mauricio Carlos de Onís (Palacio del Senado de España).jpg
Francis1januarius.jpg
Retrato_de_don_José_Moreno_Nieto._Pintado_por_Casado_del_Alisal_en_1882.jpg
Primera_piedra_del_Monumento_a_San_Fernando.jpg
Manuel García Barzanallana, marqués de Barzanallana (Palacio del Senado de España).jpg
Distribution of Cortinarius cinnamomeus.svg
Distribution of Cortinarius hinnuleus.svg
Distribution of Cortinarius obtusus.svg
Notable mutations.svg
Francisco_de_Herrera_(II)_-_Stigmatisation_of_St_Francis_-_WGA11379.jpg
Los reyes Isabel II y Francisco de Asís, de Antonio María Esquivel (Museo del Romanticismo de Madrid).jpg
Manuel_Lapeña.JPG
JoseFranciscoVergara.jpg
Retrato_ecuestre_de_Manuel_Godoy.jpg
Manuel_Wssel_de_Guimbarda_Vendedoras_de_rosquillas_en_Sevilla_-_ca._1880.jpg
Manuel_Ruiz_Zorrilla_(Museo_de_Albacete).JPG
JuanIdeCastilla.JPG
La duquesa de Alençon es presentada a su hermano, el rey de Francia Francisco I, por el emperador Carlos V (Museo del Prado).jpg
Antonio_Herrera_Toro_2012_001.jpg
Carlos Marfori, de Manuel Ojeda.jpg
Manuel_Gómez-Moreno_González._San_Juan_de_Dios_salvando_a_los_enfermos_de_incendio_del_Hospital_Real_(1880).jpg
Terms of Use   Search of the Day