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297 results

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    House dust mites — Stock Photo
    House dust mites
    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
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Stick insect foot — Stock Photo
    Stick insect foot
    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
    Annular band of live Lobe Coral (Porites lobata) growing over dead corals off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Annular band of live Lobe Coral (Porites lobata) growing over dead corals off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Dog roundworm parasite — Stock Photo
    Dog roundworm parasite
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    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
    Sarcoptic mange mites eggs — Stock Photo
    Sarcoptic mange mites eggs
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Cushion Star (Culcita novaeguineae) resting on a reef off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Cushion Star (Culcita novaeguineae) resting on a reef off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Close-up underwater photograph showing the tentacles and various organs of the putative Siphonophre species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island o — Stock Photo
    Close-up underwater photograph showing the tentacles and various organs of the putative Siphonophre species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island o
    A group of Orange Cup Corals (Tubastraea coccinea) surrounded by pink corraline algae (Florideophycaee, Rhodophyta) growing under an overhang at Molokini Crater, Maui, Hawaii, United States of America — Stock Photo
    A group of Orange Cup Corals (Tubastraea coccinea) surrounded by pink corraline algae (Florideophycaee, Rhodophyta) growing under an overhang at Molokini Crater, Maui, Hawaii, United States of America
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, 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
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (blue) and jaws. Magnification: x50 when printed 10 centimetres wide. — Stock Photo
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (blue) and jaws. Magnification: x50 when printed 10 centimetres wide.
    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
    Starfish and fish on seabed, Indonesia — Stock Photo
    Starfish and fish on seabed, Indonesia
    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 the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Microfilaria worms in blood — Stock Photo
    Microfilaria worms in blood
    House dust mite — Stock Photo
    House dust mite
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Close-up of leaf beetle eggs attached to thin branch. — Stock Photo
    Close-up of leaf beetle eggs attached to thin branch.
    An Ornate Butterflyfish (Chaetodon ornatissimus) swims over Finger and Lobe corals (Porites compressa and P. lobata) at Haloha Reef off Maui; Maui, Hawaii, United States of America — Stock Photo
    An Ornate Butterflyfish (Chaetodon ornatissimus) swims over Finger and Lobe corals (Porites compressa and P. lobata) at Haloha Reef off Maui; Maui, Hawaii, United States of America
    House dust mites — Stock Photo
    House dust mites
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, 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
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Frog hopper and parasitic red mite nymphs on plant stem. — Stock Photo
    Frog hopper and parasitic red mite nymphs on plant stem.
    A Red Slate Pencil Urchin (Heterocentrotus mamillatus) rests on Molokini Backwall which located offshore of Maui; Hawaii, United States of America — Stock Photo
    A Red Slate Pencil Urchin (Heterocentrotus mamillatus) rests on Molokini Backwall which located offshore of Maui; Hawaii, United States of America
    Aphid, light micrograph — Stock Photo
    Aphid, light micrograph
    Shells of unidentified sea snails, full frame. — Stock Photo
    Shells of unidentified sea snails, full frame.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    3d illustration of a schistosome fluke (Schistosoma mansoni) — Stock Photo
    3d illustration of a schistosome fluke (Schistosoma mansoni)
    House dust mite — Stock Photo
    House dust mite
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Close up of fly affected by the zombie fungus entomophthora muscae — Stock Photo
    Close up of fly affected by the zombie fungus entomophthora muscae
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    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
    Tick showing its mouthparts — Stock Photo
    Tick showing its mouthparts
    Light micrograph of a waterflea, Daphnia pulex, a small freshwater crustacean. — Stock Photo
    Light micrograph of a waterflea, Daphnia pulex, a small freshwater crustacean.
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.