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    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine. — Stock Photo
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine.
    Illustration of enzymes driving synthesis of energy-carrying molecule ATP. — Stock Photo
    Illustration of enzymes driving synthesis of energy-carrying molecule ATP.
    Caudate nucleus of the brain, computer illustration — Stock Photo
    Caudate nucleus of the brain, computer illustration
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cells.
    Horse anatomy and skeletal system, computer illustration. — Stock Photo
    Horse anatomy and skeletal system, computer illustration.
    Abstract female silhouette with visible brain and spinal cord of nervous system, computer illustration. — Stock Photo
    Abstract female silhouette with visible brain and spinal cord of nervous system, computer illustration.
    Close-up of micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Close-up of micropipette pipetting blood sample into Petri dishes.
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone. — Stock Photo
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone.
    Male figure with highlighted intercostal muscles, digital illustration. — Stock Photo
    Male figure with highlighted intercostal muscles, digital illustration.
    Illustration of elbow replacement prosthesis on blue background. — Stock Photo
    Illustration of elbow replacement prosthesis on blue background.
    Human brain structures — Stock Photo
    Human brain structures
    Male scientists in surgical caps using microscope. — Stock Photo
    Male scientists in surgical caps using microscope.
    Caudate nucleus of the brain, computer illustration — Stock Photo
    Caudate nucleus of the brain, computer illustration
    Female abdominal lymph nodes, computer illustration. — Stock Photo
    Female abdominal lymph nodes, computer illustration.
    Assortment of experimental drugs being tested in chemical laboratory. — Stock Photo
    Assortment of experimental drugs being tested in chemical laboratory.
    Migrating cancer cells — Stock Photo
    Migrating cancer cells
    Adipocyte fat cells, digital illustration. — Stock Photo
    Adipocyte fat cells, digital illustration.
    Abstract female body 3d model demonstrating stomach in human anatomy, digital illustration. — Stock Photo
    Abstract female body 3d model demonstrating stomach in human anatomy, digital illustration.
    Close-up of devils coach horse beetle with large mandibles. — Stock Photo
    Close-up of devils coach horse beetle with large mandibles.
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Male body with visible colored Extensor digitorum muscle, computer illustration. — Stock Photo
    Male body with visible colored Extensor digitorum muscle, computer illustration.
    Transparent male silhouette with visible large intestine, computer illustration. — Stock Photo
    Transparent male silhouette with visible large intestine, computer illustration.
    Illustration of senior woman blue silhouette with highlighted liver on white background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted liver on white background.
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia
    Yellow fever virus — Stock Photo
    Yellow fever virus
    Computer illustration of staphylococci bacteria (Staphylococcus aureus) — Stock Photo
    Computer illustration of staphylococci bacteria (Staphylococcus aureus)
    Red stomach in female silhouette on blue background, computer illustration. — Stock Photo
    Red stomach in female silhouette on blue background, computer illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Nerves of male pelvis in abstract body silhouette, digital illustration. — Stock Photo
    Nerves of male pelvis in abstract body silhouette, digital illustration.
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles) — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles)
    Artwork of healthy substantia nigra and close-up of dopaminergic neurons of human brain. — Stock Photo
    Artwork of healthy substantia nigra and close-up of dopaminergic neurons of human brain.
    Illustration of male office worker with painful back. — Stock Photo
    Illustration of male office worker with painful back.
    Male anatomy showing Extensor hallucis longus muscle, computer illustration. — Stock Photo
    Male anatomy showing Extensor hallucis longus muscle, computer illustration.
    Digital illustration of degenerated substantia nigra in brain while Parkinsons disease. — Stock Photo
    Digital illustration of degenerated substantia nigra in brain while Parkinsons disease.
    Male anatomy showing brain and nervous system, computer illustration. — Stock Photo
    Male anatomy showing brain and nervous system, computer illustration.
    Cancer cell anatomy — Stock Photo
    Cancer cell anatomy
    Illustration of cervical spine in human skeleton. — Stock Photo
    Illustration of cervical spine in human skeleton.
    Transparent body model showing male anatomy and internal organs, digital illustration. — Stock Photo
    Transparent body model showing male anatomy and internal organs, digital illustration.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Female silhouette showing breast anatomy, computer illustration. — Stock Photo
    Female silhouette showing breast anatomy, computer illustration.
    Female laboratory assistant using mini centrifuge. — Stock Photo
    Female laboratory assistant using mini centrifuge.
    Common two-banded seabream fish swimming in water, close-up. — Stock Photo
    Common two-banded seabream fish swimming in water, close-up.
    Illustration of kidneys in silhouette of female body. — Stock Photo
    Illustration of kidneys in silhouette of female body.
    Digital illustration of HIV retrovirus of lentivirus kind, causing of collapse of immune system and AIDS. — Stock Photo
    Digital illustration of HIV retrovirus of lentivirus kind, causing of collapse of immune system and AIDS.
    Close-up of dock bug sitting on fresh leaf. — Stock Photo
    Close-up of dock bug sitting on fresh leaf.
    Illustration of intestine cancer in human body silhouette. — Stock Photo
    Illustration of intestine cancer in human body silhouette.
    Vibrio vulnificus bacteria found in sea water, colored computer illustration. — Stock Photo
    Vibrio vulnificus bacteria found in sea water, colored computer illustration.
    Section of a flower bud — Stock Photo
    Section of a flower bud
    Parasitic Tick feeding — Stock Photo
    Parasitic Tick feeding
    Illustration of lungs in male body silhouette. — Stock Photo
    Illustration of lungs in male body silhouette.
    Abstract male figure with detailed Piriformis muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Piriformis muscle, computer illustration.
    Close-up of halictid bee sitting on wild plant. — Stock Photo
    Close-up of halictid bee sitting on wild plant.
    Abstract female model with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract female model with visible skeleton and lymphatic system, computer illustration.
    Dog silhouette with visible musculature on white background, digital illustration. — Stock Photo
    Dog silhouette with visible musculature on white background, digital illustration.
    Human skeletal system — Stock Photo
    Human skeletal system
    Female scientist pouring dissolved soil sample into chemistry beaker. — Stock Photo
    Female scientist pouring dissolved soil sample into chemistry beaker.
    Close-up of syringe full of blood in hands of male doctor. — Stock Photo
    Close-up of syringe full of blood in hands of male doctor.