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    Illustration of male urinary system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of male urinary system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Human neck muscles — Stock Photo
    Human neck muscles
    Human shoulder anatomy — Stock Photo
    Human shoulder anatomy
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Human lymph node — Stock Photo
    Human lymph node
    Human sperm cells and egg cell — Stock Photo
    Human sperm cells and egg cell
    Abdominal muscles during sit ups — Stock Photo
    Abdominal muscles during sit ups
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration. — Stock Photo
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration.
    Human appendix in relation to digestive system — Stock Photo
    Human appendix in relation to digestive system
    Human neck muscles — Stock Photo
    Human neck muscles
    Sitting on bench male silhouette with abdominal pain, digital illustration. — Stock Photo
    Sitting on bench male silhouette with abdominal pain, digital illustration.
    Internal organs and skeletal system — Stock Photo
    Internal organs and skeletal system
    Human brain with visible olfactory nerve on white background, digital illustration. — Stock Photo
    Human brain with visible olfactory nerve on white background, digital illustration.
    Conceptual illustration of chicken eggs in carton and magnification of bacterium of food-borne infection on white background. — Stock Photo
    Conceptual illustration of chicken eggs in carton and magnification of bacterium of food-borne infection on white background.
    Large and small intestine on white background, digital illustration. — Stock Photo
    Large and small intestine on white background, digital illustration.
    Close-up of lab-on-a-chip integrated circuit device on black background. — Stock Photo
    Close-up of lab-on-a-chip integrated circuit device on black background.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Illustration of the skeleton of a person in the tree pose, or Vrikshasana. — Stock Photo
    Illustration of the skeleton of a person in the tree pose, or Vrikshasana.
    Simplified human brain anatomy — Stock Photo
    Simplified human brain anatomy
    Skull bones and cartilage — Stock Photo
    Skull bones and cartilage
    Male silhouette with wrist pain, digital illustration. — Stock Photo
    Male silhouette with wrist pain, digital illustration.
    Human heart in cross section, digital illustration. — Stock Photo
    Human heart in cross section, digital illustration.
    Antibody, or immunoglobulin molecules — Stock Photo
    Antibody, or immunoglobulin molecules
    Researchers handling stem cell cultures in laboratory while drug research. — Stock Photo
    Researchers handling stem cell cultures in laboratory while drug research.
    Full-term fetus — Stock Photo
    Full-term fetus
    Giardia lamblia protozoan parasite, digital illustration — Stock Photo
    Giardia lamblia protozoan parasite, digital illustration
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Human alveoli anatomy — Stock Photo
    Human alveoli anatomy
    Female silhouette with visible liver, digital illustration. — Stock Photo
    Female silhouette with visible liver, digital illustration.
    Human skeletal structure — Stock Photo
    Human skeletal structure
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Skeletal system and anatomy of adult human — Stock Photo
    Skeletal system and anatomy of adult human
    Human back anatomy — Stock Photo
    Human back anatomy
    Technician carrying equipment and solution in sterile laboratory. — Stock Photo
    Technician carrying equipment and solution in sterile laboratory.
    Lab technician in protective suit, face mask and safety goggles in sterile laboratory. — Stock Photo
    Lab technician in protective suit, face mask and safety goggles in sterile laboratory.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Female silhouette with abdominal pain, digital illustration. — Stock Photo
    Female silhouette with abdominal pain, digital illustration.
    Realistic digital illustration showing arthritis in human knee. — Stock Photo
    Realistic digital illustration showing arthritis in human knee.
    Technician using glovebox in sterile laboratory. — Stock Photo
    Technician using glovebox in sterile laboratory.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Digital illustration of cerebrospinal fluid and neutrophils with Neisseria meningitidis bacteria. — Stock Photo
    Digital illustration of cerebrospinal fluid and neutrophils with Neisseria meningitidis bacteria.
    Discus thrower skeletal system, digital illustration. — Stock Photo
    Discus thrower skeletal system, digital illustration.
    Visual render of Brain cancer — Stock Photo
    Visual render of Brain cancer
    Internal brain anatomy — Stock Photo
    Internal brain anatomy
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Dendritic cell presenting antigen to T cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells. — Stock Photo
    Dendritic cell presenting antigen to T cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells.
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage
    Human skeletal system and structural anatomy — Stock Photo
    Human skeletal system and structural anatomy
    Muscles controlling human posture — Stock Photo
    Muscles controlling human posture
    Headache localized in temporal and parietal lobes — Stock Photo
    Headache localized in temporal and parietal lobes
    Large intestine on white background, digital illustration. — Stock Photo
    Large intestine on white background, digital illustration.
    Discus thrower nervous system, digital illustration. — Stock Photo
    Discus thrower nervous system, digital illustration.
    Vascular anatomy of head and neck — Stock Photo
    Vascular anatomy of head and neck
    Lab technician in protective clothing with colleagues in sterile laboratory environment. — Stock Photo
    Lab technician in protective clothing with colleagues in sterile laboratory environment.
    Rod-shaped bacterial strands — Stock Photo
    Rod-shaped bacterial strands
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.
    Sitting in chair female silhouette with knee pain, digital illustration. — Stock Photo
    Sitting in chair female silhouette with knee pain, digital illustration.
    High jumper skeletal system, digital illustration. — Stock Photo
    High jumper skeletal system, digital illustration.
    Human skeletal system — Stock Photo
    Human skeletal system