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23049145 results

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    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid — Stock Photo
    Stomach lining. Coloured scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Peacock mantis shrimp crawling on reef — Stock Photo
    Peacock mantis shrimp crawling on reef
    Rugby player skeletal system, digital illustration. — Stock Photo
    Rugby player skeletal system, digital illustration.
    Anatomy of liver in male body silhouette, digital illustration. — Stock Photo
    Anatomy of liver in male body silhouette, digital illustration.
    Sea fan on soft coral — Stock Photo
    Sea fan on soft coral
    Illustration of heart in male body silhouette on white background. — Stock Photo
    Illustration of heart in male body silhouette on white background.
    Aspergillus fungus structure — Stock Photo
    Aspergillus fungus structure
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Red blood cells — Stock Photo
    Red blood cells
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and lymphatic system, digital illustration.
    Section through the cerebellum in the brain — Stock Photo
    Section through the cerebellum in the brain
    Close-up of hoverfly from dorsal view on dried wildflower. — Stock Photo
    Close-up of hoverfly from dorsal view on dried wildflower.
    Illustration of back bones in human skeleton on black background. — Stock Photo
    Illustration of back bones in human skeleton on black background.
    Juvenile spinecheek clownfish in anemone — Stock Photo
    Juvenile spinecheek clownfish in anemone
    Lioness standing on green grass near killed prey with other animals on background — Stock Photo
    Lioness standing on green grass near killed prey with other animals on background
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Illustration of human hand bones on white background. — Stock Photo
    Illustration of human hand bones on white background.
    Abstract male head and neck bones, computer illustration. — Stock Photo
    Abstract male head and neck bones, computer illustration.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Pyramidal neurons of human brain cortex, computer illustration — Stock Photo
    Pyramidal neurons of human brain cortex, computer illustration
    Localisation of back pain — Stock Photo
    Localisation of back pain
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Illustration of transparent blue silhouette of male body with colored lungs. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored lungs.
    Dog roundworm eggs (Toxocara canis), light micrograph. — Stock Photo
    Dog roundworm eggs (Toxocara canis), light micrograph.
    Close up of a variety of insect wings including butterfly and grasshopper — Stock Photo
    Close up of a variety of insect wings including butterfly and grasshopper
    Healthy lungs and respiratory system — Stock Photo
    Healthy lungs and respiratory system
    Desert Aloe flowering in the Kalahari Desert — Stock Photo
    Desert Aloe flowering in the Kalahari Desert
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Illustration of back bones in human skeleton on white background. — Stock Photo
    Illustration of back bones in human skeleton on white background.
    Lungs in anatomy of male body, computer illustration. — Stock Photo
    Lungs in anatomy of male body, computer illustration.
    Hepatitis E virus red particles with protein coat. — Stock Photo
    Hepatitis E virus red particles with protein coat.
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Two month old fetus — Stock Photo
    Two month old fetus
    3d rendered illustration of upper arm muscles in human body. — Stock Photo
    3d rendered illustration of upper arm muscles in human body.
    Mule Deer Buck — Stock Photo
    Mule Deer Buck
    Human skeleton part with detailed red Flexor hallucis muscle, digital illustration. — Stock Photo
    Human skeleton part with detailed red Flexor hallucis muscle, digital illustration.
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Wolf looking at camera — Stock Photo
    Wolf looking at camera
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration. — Stock Photo
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration.
    From above of black and white striped sea lionfish near bottom of aquarium on blurred background — Stock Photo
    From above of black and white striped sea lionfish near bottom of aquarium on blurred background
    Norovirus, illustration. Norovirus or 'winter vomiting bug' is a genus of RNA virus that causes many cases of stomach upset. The disease is characterised by nausea, vomiting, diarrhoea and abdominal pain — Stock Photo
    Norovirus, illustration. Norovirus or 'winter vomiting bug' is a genus of RNA virus that causes many cases of stomach upset. The disease is characterised by nausea, vomiting, diarrhoea and abdominal pain
    Transparent body model showing male anatomy and internal organs, digital illustration. — Stock Photo
    Transparent body model showing male anatomy and internal organs, digital illustration.
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    Peacock mantis shrimp on reef — Stock Photo
    Peacock mantis shrimp on reef
    Dog silhouette with red colored liver on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored liver on black background, digital illustration.
    Portrait of confident mid adult caucasian woman at work in laboratory — Stock Photo
    Portrait of confident mid adult caucasian woman at work in laboratory
    Illustration of inflamed mammary glands in human body. — Stock Photo
    Illustration of inflamed mammary glands in human body.
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    From above red crab hiding amidst rough pink corals in clean water of sea — Stock Photo
    From above red crab hiding amidst rough pink corals in clean water of sea
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Closeup of spider on leaf with prey against black background — Stock Photo
    Closeup of spider on leaf with prey against black background
    Portrait Of Bird looking at camera — Stock Photo
    Portrait Of Bird looking at camera
    Normal human brain — Stock Photo
    Normal human brain
    Illustration of spleen cancer in human body silhouette. — Stock Photo
    Illustration of spleen cancer in human body silhouette.
    Soft coral polyps growing on reef — Stock Photo
    Soft coral polyps growing on reef