Josep María Barres Manuel: Imágenes y Vídeos Más Vistos

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Monocot stem (Zea mays) showing epidermis, collenchyma, parenchyma, vascular bundles, phloem and xylem. Optical microscope X100
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Black bread mold (Rhizopus stolonifer or Rhizopus nigricans) colonizing bread
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Honeywort (Cerinthe major) is an annual plant native to Mediterranean Basin
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Longbodied cellar spider or skull spider (Pholcus phalangioides) is a cosmopolitan spider
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Common mullein (Verbascum thapsus) is a biennial plant native to Europe, north Africa and Asia. This photo was taken in Sierra de Gredos, Avila province
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Root apical meristem showing cell divisions (mitosis). Onion root photomicrograph
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Arthrospira is a cyanobacteria also know as spirulina. Optical microscope X100
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Onion epidermis (Allium cepa) showing cells and nucleus. Optical microscope X100
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Dense connective tissue or dense fibrous tissue seen under the light microscope X40. Is mainly composed of collagen and fibroblats and form de tendons and...
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Mursi girl without lip plate but with ear disks. Mursi or Mun people are pastoralist and reside in Debub Omo Zone in the border of South Sudan
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Phloem (purple) and xylem (blue) on a stem longitudinal section. Photomicrograph of pumpkin tissue
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Onion epidermis (Allium cepa) showing cells and nucleus. Optical microscope X200
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Wild teasel (Dipsacus fullonum or D. sylvestris) is a biennial plant native to Eurasia and North Africa. Rain water collected by sessile leaves detail
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The calyptra or root cap protect growing tip in plants. Optical microscope, magnification X40
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Himba girl in his village. Hairstyle detail. Epupa, Kunene Region, Kaokoland, Namibia
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Phloem (purple) and xylem (blue) on a stem longitudinal section. Photomicrograph of pumpkin tissue
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Human testicle or testis section showing seminiferous tubules, Leydig cells, Sertoli cells, spermatocytes and spermatogonia. Optical microscope X100
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Pollen grains with pollen tube. Optical microscope. Magnification X200
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Penicillium hyphae with conidia. Optical microscope X200
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Asparagus stem cross section showing cuticle, epidermis, stomata, palisade parenchyma, sclerenchyma and vascular bundles. Monocot stem photomicrograph
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Horsetail or snake grass (Equisetum) spores with elaters. Optical microscope, magnification X200
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Asparagus stem, cross section with epidermis, hypodermis, chlorenchyma, parenchyma, phloem, xylem and vascular bundles. Optical microscope X100
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Sambucus stem cross section showing epidermis, cortex, phloem, cambium, xylem, parenchyma and medulla. Photomicrograph
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Vinegar fly or common fruit fly (Drosophila melanogaster), adults and larvae in a breeding flasck for genetic research
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Human thyroid gland showing follicles, endothelial cells and follicular cells. Optical microscope X40
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Toxoplasma gondii parasitic alveolata toxoplasmosis responsible. Optical microscope X200
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Creep, downhill creep or soil creep is the downward progression of soil. Trees curvature testify the process. This photo was taken in Sierra de Guadarrama
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Himba girl in his village. Hairstyle detail. Epupa, Kunene Region, Kaokoland, Namibia
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Caliche, calcrete, duricrust or hardpan is a calcium carbonate cement which precipitates between others soil materials. This photo was taken near Tortosa
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Human testicle or testis section showing seminiferous tubules, Leydig cells, Sertoli cells, spermatocytes, spermatogonia, spermatides and spermatozoon
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Hematite and limonite. Hematite or haematite is a mineral composed by iron oxide; limonite are formed by iron hidroxide. Both are iron ore
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Himba boys and girls in his village. Epupa, Kunene Region, Kaokoland, Namibia
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Mustard tree or toothbrush tree (Salvadora persica) is a medicinal shrub or small tree native to Africa and western Asia
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Eudicot stem (Sambucus nigra) showing epidermis, collenchyma, cortex, parenchyma, vascular bundles, phloem and xylem. Optical microscope X100
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Ciliated simple columnar epithelium. Photomicrograph
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Male cone of pine (Pinus sp. ) showing pollen. Optical microscope X40
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Pyrenean violet or rosette mullein (Ramonda myconi or Ramonda pyrenaica) is a perennial herb endemic to Pyrenees and limestone mountains of north eastern Spain
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Penicillium digitatum or Aspergillus digitatus colonizing a lemon
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Gustatory papillae on the human tongue showing taste buds located in the epithelium. Light micrograph X40. Cross section
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Llareta or yareta (Azorella compacta or Azorella yareta) is a cushion like shrub native to Andes puna in Chile, Bolivia, Peru and Argentina on grow between 3
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Caracol blanco, serrana or vaqueta (Iberus gualterianus alonensis) is a terrestrial snail endemic to eastern Spain. Copula
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Velamen radicum is a multiple epidermis formed by dead cells present in the aerial roots. Your role is water and nutrient uptake
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Monocot stem (Zea mays) showing epidermis, collenchyma, parenchyma, vascular bundles, phloem and xylem. Optical microscope X40
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Calabrian pine (Pinus nigra calabrica) is a coniferous tree native to Calabria, Sicily and Corsica. This photo was taken in Mount Etna, Sicily, Italy
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Orthoceras fossils from Silurian, Morocco
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Saccharomyces ellipsoideus. Optical microscope X400
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Common purslane or verdolaga (Portulaca oleracea) is a succulent plant widely disseminate: south Europe, north Africa, India, Malaysia, Australia.
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Loose connective tissue seen at light microscope X100. It is constituid for a gelatinous substance, collagen fibers, elastic fibers (elastin) and reticular...
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Himba girl with your traditional dress confectioned with calfskin. Your body is covered with otjize, a cosmetic composed by butterfat and ochre
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Exobasidium rhododendri is a parasite fungus that grows on alpenrose (Rhododendron ferrugineum). This photo was taken in Valle de Aran, Lleida province
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Venus flower basket (Euplectella aspergillum) a sea sponge with silica skeleton
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Lycopodium sporangium, longitudinal section. Optical microscope, magnification X100
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Mnium antheridium. Optical microscope X40
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Human colon showing epithelium, mucosa, submucosa, muscular layer, adipose tissue, serosa, intestinal glands, villi and vessels
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Shelly limestone is a sedimentary rock composed by skeleton remains of marine animals. Sample
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Welwitschia or tree tumbo (Welwitschia mirabilis) is a gimnosperm plant endemic to Namib Desert (Angola and Namibia). This photo was taken near Swakopmund
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Giant or polytene chromosomes of Chironomus salivary glands. Optical microscope X100
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Joints (fractures) on a granitic rock. This photo was taken in Bohuslan, Sweden
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Puddingstone is a kind of conglomerate, a clastic sedimentary rock. Sample
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Common mullein (Verbascum thapsus) is a biennial plant native to Europe, north Africa and Asia. This photo was taken in Sierra de Gredos, Avila province
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Daasanach girl combing a friend in front of his hut. Debub Omo Zone, Ethiopia
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Lilium ovary with ovules. Optical microscope X40
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Native frangipani (Hymenosporum flavum) is a tree native to Australia and New Guinea
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Peanut worm (Sipunculus nudus) is a sea worm
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Puddingstone is a kind of conglomerate, a clastic sedimentary rock. Sample
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Bath sponge (Spongia officinalis) is a sea sponge with organic skeleton
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Pink granite. Granite is an igneous intrusive rock with holocrystalline texture. Sample
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Sorus with sporangia of fern Aspidium sp. Optical microscope X100
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Sexy pink (Heliconia chartacea) is an ornamental plant native to tropical South America. Inflorescence detail
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Skeletal muscle, longitudinal section. Photomicrograph
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Fossil trilobites (Elrathia sp. ) from Cambrian period. Sample
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Wild olive (Olea europaea sylvestris or Olea europaea oleaster) is a shrub or small tree native to Mediterranean Basin. This photo was taken in Garraf Natural...
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Limonite and goethite. Limonite is an iron ore composed of iron oxides and hydroxides and goethite is an iron hydroxide. This sample comes from Sierra de...
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Blue gum (Eucalyptus globulus) is a tree native to Australia but widely cultivated in many countries for its wood. This photo was taken in Rabos d'Emporda
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Penicillium digitatum or Aspergillus digitatus colonizing a lemon
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Quartzite is a metamorphic rock composed for quartz sandstone. This sample comes from Consuegra, Toledo, Castilla La Mancha, Spain
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Serpentinite is a metamorphic rock rich on serpentine minerals and formed by metamorphism of ultramafic rocks. Sample
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Adipose tissue osmium tetroxide stained. Photomicrograph
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Eudicot stem (Helianthus annuus) showing epidermis, collenchyma, cortex, parenchyma, vascular bundles, phloem and xylem. Optical microscope X100
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Atlantic horseshoe crab (Limulus polyphemus) is a marine arthropod native to Atlantic coast of North America and Gulf of Mexico
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Rio Vero Canyon, walkway route (Ruta de las pasarelas) near Alquezar. Sierra y Cañones de Guara Natural Park, Huesca province, Aragon, Spain
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Spilocaea eriobotryae or Fusicladium eriobotryae is a loquat parasitic fungus
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Calcareous sponge (Sycon) cross section showing choanocyte chambers, inhalant canals, mesophyle and spongocoel. Optical microscope X40
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Treasure flower (Gazania rigens or Gazania splendens) is a perennial herb (in temperate regions) native to southern Africa. Flowering plant
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Human healthy liver with normal hepatocytes. Optical microscope. Magnification X100
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Torrent de Pareis (Tramontana Mountain Range), Majorca, Balearic Islands, Spain
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Red mudstone is a fine-grained sedimentary rock composed by clay minerals. Sample
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Sansevieria erythraea is a perennial plant native to eastern Africa. Angiosperms. Asparagceae. Omo Valley, Ethiopia
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Bridal broom (Retama monosperma, Lygos monosperma or Genista monosperma) is a shrub native to southwestern Iberian Peninsula and northwest Morocco
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Cocklebur (Xanthium strumarium) is an annual plant native to North America and naturalized in Europe and Asia. Spiny fruits and leaves detail
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Dicot stem showing epidermis, epidermal hairs, cortex, pericycle, vascular bundles, phloem, xylem, parenchyma and medulla
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Chert or silex is a cryptocrystalline or microcrystalline sedimentary rock composed of quartz. This sample comes from Tarragona, Catalonia, Spain
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Calabash tree or cuite (Crescentia cujete) is a tree that produce very big fruits calleds bule, guaje, jicara or tecomate
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Lymphocytes and macrophages (immunity system). Optical microscope X200
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Tara (Caesalpinia spinosa or Tara spinosa) is a medicinal tree native to Peru. Fruits (legumes) and leaves detail
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Monocot stem (Smilax aspera) showing epidermis, collenchyma, cortex, parenchyma, vascular bundles, phloem and xylem. Optical microscope X40
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Enteromorpha intestinalis or Ulva intestinalis is a green alga
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Goose barnacle or goose neck barnacle (Pollicipes pollicipes or Pollicipes cornucopia) is an edible crustacean native to eastern Atlantic coasts from France to...
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Elodea apical meristem. Optical microscope X100
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