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    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Portugal Algarve, Marinha. Cliffs. — Stock Photo
    Portugal Algarve, Marinha. Cliffs.
    Male silhouette with visible upper body bones, computer illustration. — Stock Photo
    Male silhouette with visible upper body bones, computer illustration.
    Magnified digital illustration of megakaryocyte cell. — Stock Photo
    Magnified digital illustration of megakaryocyte cell.
    Human skeleton model with detailed Rhomboid major muscle, digital illustration. — Stock Photo
    Human skeleton model with detailed Rhomboid major muscle, digital illustration.
    Bladder in abstract female body on grey background, computer illustration. — Stock Photo
    Bladder in abstract female body on grey background, computer illustration.
    Digital illustration of threadworm in human intestine. — Stock Photo
    Digital illustration of threadworm in human intestine.
    Close-up of pharmaceutical examining filling of medical pill. — Stock Photo
    Close-up of pharmaceutical examining filling of medical pill.
    Colored digital illustration of green cancer cells. — Stock Photo
    Colored digital illustration of green cancer cells.
    Bioarcheology female scientists analyzing human skull in ancient DNA laboratory. — Stock Photo
    Bioarcheology female scientists analyzing human skull in ancient DNA laboratory.
    3d rendered illustration of neck muscles in human body. — Stock Photo
    3d rendered illustration of neck muscles in human body.
    Close-up of male scientist working in laboratory — Stock Photo
    Close-up of male scientist working in laboratory
    Red crystal mineral stone on table, close-up. — Stock Photo
    Red crystal mineral stone on table, close-up.
    Liver cancer in realistic anatomical female model, conceptual computer illustration. — Stock Photo
    Liver cancer in realistic anatomical female model, conceptual computer illustration.
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Male skeleton part with visible cervical spine, computer illustration. — Stock Photo
    Male skeleton part with visible cervical spine, computer illustration.
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Female body model with detailed Sartorius muscle, digital illustration. — Stock Photo
    Female body model with detailed Sartorius muscle, digital illustration.
    Human skeleton with red colored Superior gemellus muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Superior gemellus muscle, computer illustration.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Human skeleton model with detailed Longus colli muscle, digital illustration. — Stock Photo
    Human skeleton model with detailed Longus colli muscle, digital illustration.
    Agora, Assut de l'Or Bridge, Ciutat de les Arts i les Cincies, Valencia, Spain, Europe — Stock Photo
    Agora, Assut de l'Or Bridge, Ciutat de les Arts i les Cincies, Valencia, Spain, Europe
    Digital illustration of senior man anatomy showing muscles. — Stock Photo
    Digital illustration of senior man anatomy showing muscles.
    Runner silhouette with visible heart, composite digital illustration. — Stock Photo
    Runner silhouette with visible heart, composite digital illustration.
    Close-up of ladybug larva in pupa stage on stem. — Stock Photo
    Close-up of ladybug larva in pupa stage on stem.
    3d illustration of female body with red liver, computer illustration. — Stock Photo
    3d illustration of female body with red liver, computer illustration.
    Female silhouette with painful shoulder, digital illustration. — Stock Photo
    Female silhouette with painful shoulder, digital illustration.
    Human skeleton with red colored Semispinalis capitis muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Semispinalis capitis muscle, computer illustration.
    Obese male full length silhouette with back pain, digital illustration. — Stock Photo
    Obese male full length silhouette with back pain, digital illustration.
    Confident woman in astronaut costume putting on helmet in sunlight — Stock Photo
    Confident woman in astronaut costume putting on helmet in sunlight
    3d rendered illustration of purple nerve cell. — Stock Photo
    3d rendered illustration of purple nerve cell.
    Female anatomical model with yellow colored and visible lungs, computer illustration. — Stock Photo
    Female anatomical model with yellow colored and visible lungs, computer illustration.
    Male upper body anatomy and musculature, computer illustration. — Stock Photo
    Male upper body anatomy and musculature, computer illustration.
    Wheat in plastic cup for agriculture research, conceptual image. — Stock Photo
    Wheat in plastic cup for agriculture research, conceptual image.
    Human spinal vertebrae, digital illustration. — Stock Photo
    Human spinal vertebrae, digital illustration.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Female of the human body louse — Stock Photo
    Female of the human body louse
    Illustration of cervical spine in human skeleton. — Stock Photo
    Illustration of cervical spine in human skeleton.
    Abstract male silhouette with visible brain and nerves of nervous system, computer illustration. — Stock Photo
    Abstract male silhouette with visible brain and nerves of nervous system, computer illustration.
    Illustration of overweight woman with visible digestive system on black background. — Stock Photo
    Illustration of overweight woman with visible digestive system on black background.
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab — Stock Photo
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab
    DNA strand against black background, digital illustration. — Stock Photo
    DNA strand against black background, digital illustration.
    Teenage student using machinery in laboratory at college — Stock Photo
    Teenage student using machinery in laboratory at college
    Human sciatic nerves, computer illustration. — Stock Photo
    Human sciatic nerves, computer illustration.
    Low angle view illustration of blue silhouette of obese woman with highlighted liver on black background. — Stock Photo
    Low angle view illustration of blue silhouette of obese woman with highlighted liver on black background.
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Digital illustration of yeast and hyphae stages of Candida albicans fungus. — Stock Photo
    Digital illustration of yeast and hyphae stages of Candida albicans fungus.
    Horse skeleton model with detailed Sternocephalicus muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Sternocephalicus muscle, digital illustration.
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital illustration.
    Female laboratory assistant using mini centrifuge. — Stock Photo
    Female laboratory assistant using mini centrifuge.
    Male body with back pain on white background, digital illustration. — Stock Photo
    Male body with back pain on white background, digital illustration.
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Human skeleton with red colored Abductor pollicis brevis muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Abductor pollicis brevis muscle, computer illustration.
    Female silhouette with visible large intestine, digital illustration. — Stock Photo
    Female silhouette with visible large intestine, digital illustration.
    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    Variety of pharmacological pills in disposable plastic cups, medication concept. — Stock Photo
    Variety of pharmacological pills in disposable plastic cups, medication concept.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Abstract male body with visible elbow pain, conceptual illustration. — Stock Photo
    Abstract male body with visible elbow pain, conceptual illustration.