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    Stem cell research — Stock Photo
    Stem cell research
    Beautiful woman posing dressed as an astronaut. — Stock Photo
    Beautiful woman posing dressed as an astronaut.
    Close-up shot of heart rate monitor in operating room — Stock Photo
    Close-up shot of heart rate monitor in operating room
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Abstract male figure with detailed Serratus posterior inferior muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Serratus posterior inferior muscle, computer illustration.
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Anatomy of human skeleton neck bones, computer illustration. — Stock Photo
    Anatomy of human skeleton neck bones, computer illustration.
    Multiwell plate with biological samples in scientist hand. — Stock Photo
    Multiwell plate with biological samples in scientist hand.
    Dog silhouette with visible skeleton on blue background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on blue background, digital illustration.
    Human skeleton model with detailed Omohyoid muscle, digital illustration. — Stock Photo
    Human skeleton model with detailed Omohyoid muscle, digital illustration.
    Human heart anatomy showing aortic valve, cross section illustration. — Stock Photo
    Human heart anatomy showing aortic valve, cross section illustration.
    Illustration of larynx in male body silhouette on white background. — Stock Photo
    Illustration of larynx in male body silhouette on white background.
    Crop unrecognizable scientist with plant in plastic tube on yellow background in studio — Stock Photo
    Crop unrecognizable scientist with plant in plastic tube on yellow background in studio
    Rear view of male scientist experimenting in laboratory — Stock Photo
    Rear view of male scientist experimenting in laboratory
    Close-up of Spanish fly perched on fresh wild plant. — Stock Photo
    Close-up of Spanish fly perched on fresh wild plant.
    Human fetus at week 14, computer illustration. — Stock Photo
    Human fetus at week 14, computer illustration.
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Illustration of human genitals anatomy in body silhouette. — Stock Photo
    Illustration of human genitals anatomy in body silhouette.
    Examining tables in empty animal hospital — Stock Photo
    Examining tables in empty animal hospital
    Portrait of university student doing experiment on microscope in laboratory — Stock Photo
    Portrait of university student doing experiment on microscope in laboratory
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    Abstract male body with visible elbow pain, conceptual illustration. — Stock Photo
    Abstract male body with visible elbow pain, conceptual illustration.
    Microcentrifuge sample tubes in styrofoam rack on blue background. — Stock Photo
    Microcentrifuge sample tubes in styrofoam rack on blue background.
    Pathways of innervation to lacrimal gland — Stock Photo
    Pathways of innervation to lacrimal gland
    Measles virus particle, computer illustration. — Stock Photo
    Measles virus particle, computer illustration.
    Engineers with digital tablet programming robotic arm in office — Stock Photo
    Engineers with digital tablet programming robotic arm in office
    3d rendered illustration of colored female colon in body silhouette. — Stock Photo
    3d rendered illustration of colored female colon in body silhouette.
    Red colored pancreas in male human body, digital illustration. — Stock Photo
    Red colored pancreas in male human body, digital illustration.
    Scientists pointing at computer monitor in laboratory. — Stock Photo
    Scientists pointing at computer monitor in laboratory.
    Anatomy of breast implants in female body 3d model, digital illustration. — Stock Photo
    Anatomy of breast implants in female body 3d model, digital illustration.
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    Illustration of painful cervical spine in human skeleton part. — Stock Photo
    Illustration of painful cervical spine in human skeleton part.
    Realistic human fetus at week 37, computer illustration. — Stock Photo
    Realistic human fetus at week 37, computer illustration.
    Rear view of male body in full length with back pain, conceptual illustration. — Stock Photo
    Rear view of male body in full length with back pain, conceptual illustration.
    Illustration of female silhouette with highlighted colon. — Stock Photo
    Illustration of female silhouette with highlighted colon.
    Structure of dog lymphatic system with lymph vessels, digital illustration. — Stock Photo
    Structure of dog lymphatic system with lymph vessels, digital illustration.
    Female silhouette with arm pain, digital illustration. — Stock Photo
    Female silhouette with arm pain, digital illustration.
    Abstract protein formation, digital illustration. — Stock Photo
    Abstract protein formation, digital illustration.
    Diseased gallbladder in transparent female body model, conceptual illustration. — Stock Photo
    Diseased gallbladder in transparent female body model, conceptual illustration.
    Illustration of gallbladder in silhouette of female body. — Stock Photo
    Illustration of gallbladder in silhouette of female body.
    Petri dishes stacked on blue background. — Stock Photo
    Petri dishes stacked on blue background.
    Transparent human body silhouette with visible healthy knee joint, computer illustration. — Stock Photo
    Transparent human body silhouette with visible healthy knee joint, computer illustration.
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Healthy state of large intestines — Stock Photo
    Healthy state of large intestines
    Illustration of black hole consuming planet in space. — Stock Photo
    Illustration of black hole consuming planet in space.
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Male silhouette with wrist pain, digital illustration. — Stock Photo
    Male silhouette with wrist pain, digital illustration.
    Man in spacesuit standing near red wall of industrial facility on sunny day — Stock Photo
    Man in spacesuit standing near red wall of industrial facility on sunny day
    Satellite dish at Cal Tech Station, Owens Valley, California, USA — Stock Photo
    Satellite dish at Cal Tech Station, Owens Valley, California, USA
    3d rendering of a virus — Stock Photo
    3d rendering of a virus
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Close-up of male scientist writing on clipboard in laboratory — Stock Photo
    Close-up of male scientist writing on clipboard in laboratory
    Female anatomy cardiovascular system with skeleton and internal organs. — Stock Photo
    Female anatomy cardiovascular system with skeleton and internal organs.
    Abstract female thorax bones, computer illustration. — Stock Photo
    Abstract female thorax bones, computer illustration.
    Photo of a Middle-aged white man with medical face mask looking out of the window during coronavirus quarantine — Stock Photo
    Photo of a Middle-aged white man with medical face mask looking out of the window during coronavirus quarantine
    Closeup of white dental cast with painted teeth placed on white surface in modern laboratory — Stock Photo
    Closeup of white dental cast with painted teeth placed on white surface in modern laboratory
    Close-up of digital forensic expert examining computer hard drive in police science laboratory. — Stock Photo
    Close-up of digital forensic expert examining computer hard drive in police science laboratory.
    Male body with back pain on white background, conceptual illustration. — Stock Photo
    Male body with back pain on white background, conceptual illustration.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.