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.
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.
Amphora sp. algae under microscopic view pattern, Diatoms, phytoplankton, fossils, silica, golden yellow algae
plant Pumpkin ovary under light mircoscope with white background
Cross-section Plant Stem under the microscope for classroom education.
Vintage Victorian bookplate, title, Atlas of Ancient Geography 19th Century
mango leaves on isolated white background
Colorful seamless pattern with Crystal stones.
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.
linden stem (Tilia platyphyllos) cross section under the microscope showing phloem, vascular cambium, medullary ray and pith - optical microscope x32 magnification
Root plant show root vascular tissue under light microscope view for education.
Red siskin Pattern Design on Venezuelan Bolivar Currency
microscopic view of plant cells for botanic education and analysis
plant rape flower cross section under light mircoscope with white background
Diatoms, algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
Tropical leaf with different bottom and top color
Light photomicrograph of Cotton stem cross section seen through microscope
Fresh mango isolated on white background. Skin shot of ripe sweet tropics fruits in Taiwan. Ripe sweet tropics fruits studio shot. Yellow, red colors for background use.
The study of plant tissues under the microscope in the laboratory.
Leaf. Photo with clipping path.
Close-Up Of Leaves 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.
Striatella unipunctata algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae
Dark green tropical leaf isolated on white
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.
plant stem cross section under a microscope
Insect bitten leaf - negative image technique.
Monocot root cross section slide view under the microscope for botany education.
Chinese lantern
Free Images: "bestof:Pithecollobium dulce Blanco2.237.png Plate from book Flora de Filipinas Gran edicion Atlas II http //bibdigital rjb csic es 1880-1883 Francisco Manuel Blanco O"
Fontaine_Diane_Fountain_Diana_Anet_Louvre_MR_1581,_MR_sup_123.jpg
Stroop Report - Warsaw Ghetto Uprising 06b.jpg
Stroop Report - Warsaw Ghetto Uprising 06.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
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
Ferrocarriles Argentinos - Gran Capitán.jpg
Maja_vestida_(Prado).jpg
Maja_desnuda_(museo_del_Prado).jpg
Don_Manuel_Osorio_Manrique_de_Zunica.jpg
Esquema Tabla Zoelas.jpg
MANNapoli 6281 Sitting Apollo Farnese.jpg
Francisco Franco 1930.jpg
FRUTILLAR:_Erupción_volcán_Calbuco.jpg
Condesa_de_chinchon.jpg
Goya_Maja_naga2.jpg
Cristo_en_la_cruz_(Goya).jpg
Manuel_Domínguez_Sánchez_-_Margarita_delante_del_espejo.jpg
Juan Francisco Ordoñez.jpg
Goya_Maja_ubrana2.jpg
Goya_Dog.jpg
Doña_Juana_"la_Loca"_(Pradilla).jpg
La Rendición de Granada - Pradilla.jpg
Francisco_de_Goya_y_Lucientes_-_Gaspar_Melchor_de_Jovellanos.jpg
Francisco_de_Goya_y_Lucientes_-_Duelo_a_garrotazos.jpg
Portrait Caliph Abdulmecid II.jpg
Francisco_de_Goya_y_Lucientes_016.jpg
Sphinx_serapeum_saqqara_Louvre_N_391.jpg
Stèle_albâtre_syrie_Aruad_Arados_Louvre_AO4815.jpg
Vicente_López_Portaña_-_el_pintor_Francisco_de_Goya.jpg
Entierro_de_Cristo_(Tiziano).jpg
AnimatieGraniteRomania 1859-2010.gif
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
La_familia_de_Carlos_IV.jpg
Doña_Isabel_la_Católica_dictando_su_testamento_(Rosales).jpg
Faune_au_chevreau_Faun_with_kid_Lepautre_Louvre_M.R.1808.jpg
Nagasaki_1945_-_Before_and_after_(adjusted).jpg
Plotarhis Vlakavas P 74.jpg
LindisfarneFol27rIncipitMatt.jpg
Gustave_Wappers_-_Épisode_des_Journées_de_septembre_1830_sur_la_place_de_l'Hôtel_de_Ville_de_Bruxelles.jpg
Layla_and_Majnun2.jpg
Gottlieb-Jews_Praying_in_the_Synagogue_on_Yom_Kippur.jpg
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
Marques de miraflores.jpg
Manuel de la Pezuela y Cevallos, marqués de Viluma (Palacio del Senado de España).jpg
Campanahuesca.jpg
La_campana_de_Huesca.jpg
'Still_Life_with_Oranges,_Jars,_and_Boxes_of_Sweets',_by_Luis_Meléndez.jpg
Alejandro_Mon_Menéndez.jpg
Alejandro_Mon.png
Retrato del rey Alfonso XII de España (Universidad de Salamanca).png
Manuel Seijas.JPG
Francisco Santa Cruz Pacheco (Palacio del Senado de España).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
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_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
Carlos Marfori, de Manuel Ojeda.jpg
Archduke Franz Joseph Karl (1770).jpg
Paseo Andalucía (detalle) Goya lou.jpg
Murillo-estigmatizacion-mba-sevillla.JPG
Vicente_guillo.jpg
María de Médici, reina de Francia (Museo Cerralbo).JPG
Coronación de Don Manuel J. Quintana (Palacio del Senado de España).jpg
Francisco_de_Goya_y_Lucientes_105.jpg
Emmanuel_Philibert_pantoja_(detail).jpg
Carlos_IV_por_Francisco_Bayeu.jpg
Práxedes_Mateo_Sagasta._Pintado_por_Casado_del_Alisal_en_1884.jpg
Entierro_del_condestable_don_Álvaro_de_Luna_(Boceto).jpg
Anguissola,_Sofonisba_-_Portrait_of_a_Young_Lady_-_Google_Art_Project.jpg
Hornillo,_perula_y_dos_lebrillos.jpg
Don_Francisco_de_Asís,_rey_consorte_de_España.jpg
Museo Provincial de Zaragoza - PC301836.jpg
Emmanuel_Philibert_of_Savoy_(1580).jpg
Francisco_de_Zurbarán_Adoración_de_los_pastores_(excerpt).JPG
Retrato del deán López Cepero, de Antonio María Esquivel (Museo de Bellas Artes de Sevilla).jpg
La infanta Catalina Micaela de Austria, duquesa de Saboya (Museo Lázaro Galdiano, Madrid).JPG
MariadeMedici.jpg
Fernando VII Zaragoza.JPG
Los Reales Alcázares de Sevilla, de Manuel Barrón (Museo del Romanticismo de Madrid).jpg
Alifonso III d'Aragón.jpg
Pietro II d'Aragón.jpg
Joaquín_María_López.png
Antonio_de_los_Ríos_Rosas_1874_Francisco_Sans_Cabot..jpg
Vista del Paseo de Cristina (Ayuntamiento de Sevilla).jpg
Terms of Use   Search of the Day