En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
292 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Egg of a parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Egg of a parasitic worm Trichuris trichiura, computer illustration
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Wild Honey Bees In A Hollow Tree (Apis Mellifera); Toronto, Ontario, Canada — Stock Photo
    Wild Honey Bees In A Hollow Tree (Apis Mellifera); Toronto, Ontario, Canada
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Earthworm coloured scanning electron micrograph — Stock Photo
    Earthworm coloured scanning electron micrograph
    House dust mite — Stock Photo
    House dust mite
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Dog roundworm parasite — Stock Photo
    Dog roundworm parasite
    Bee pollinating flowers, close-up view — Stock Photo
    Bee pollinating flowers, close-up view
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Tapeworms infestation in human intestine, digital illustration. — Stock Photo
    Tapeworms infestation in human intestine, digital illustration.
    Busy Honey Bees In A Langstroth Hive Box; Toronto, Ontario, Canada — Stock Photo
    Busy Honey Bees In A Langstroth Hive Box; Toronto, Ontario, Canada
    Parasitic adult Ticks — Stock Photo
    Parasitic adult Ticks
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Close-up of a Crown-of-Thorns Starfish (Acanthaster planci) that was photographed while scuba diving the Kona coast, the Big Island, Hawaii; The Crown-of-Thorns is notorious for eating corals; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Close-up of a Crown-of-Thorns Starfish (Acanthaster planci) that was photographed while scuba diving the Kona coast, the Big Island, Hawaii; The Crown-of-Thorns is notorious for eating corals; Island of Hawaii, Hawaii, United States of America
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Front view of a Tufted Spiny Lobster (Panulirus penicillatus) showing its tufted legs that was photographed while scuba diving the Kona Coast; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Front view of a Tufted Spiny Lobster (Panulirus penicillatus) showing its tufted legs that was photographed while scuba diving the Kona Coast; Island of Hawaii, Hawaii, United States of America
    Parasitic adult Ticks — Stock Photo
    Parasitic adult Ticks
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    A chain of salps (Salpa sp.) photographed under water during a blackwater dive off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    A chain of salps (Salpa sp.) photographed under water during a blackwater dive off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Starfish and fish on seabed, Indonesia — Stock Photo
    Starfish and fish on seabed, Indonesia
    Naegleria brain-eating amoeba forms, digital illustration — Stock Photo
    Naegleria brain-eating amoeba forms, digital illustration
    Agile Chromis (Chromis agilis) schooling over Finger Coral (Porites compressa). This underwater photograph was taken near the Captain Cook Memorial located in South Kona, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Agile Chromis (Chromis agilis) schooling over Finger Coral (Porites compressa). This underwater photograph was taken near the Captain Cook Memorial located in South Kona, the Big Island; Island of Hawaii, Hawaii, United States of America
    Cat flea head — Stock Photo
    Cat flea head
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Human head louse — Stock Photo
    Human head louse
    Adult dust mite — Stock Photo
    Adult dust mite
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Zebra Moray Eel (Gymnomuraena zebra) gliding over Finger Coral (Porites compressa) off the Kona Coast; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Zebra Moray Eel (Gymnomuraena zebra) gliding over Finger Coral (Porites compressa) off the Kona Coast; Island of Hawaii, Hawaii, United States of America
    White-faced meadowhawk dragonflies mating on plant. — Stock Photo
    White-faced meadowhawk dragonflies mating on plant.
    Human head louse on human hair — Stock Photo
    Human head louse on human hair
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Light micrograph of a waterflea, Daphnia pulex, a small freshwater crustacean. — Stock Photo
    Light micrograph of a waterflea, Daphnia pulex, a small freshwater crustacean.