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    Baboon sleeping in wild, Serengeti, Tanzania. — Stock Photo
    Baboon sleeping in wild, Serengeti, Tanzania.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Human esophagus and stomach — Stock Photo
    Human esophagus and stomach
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Digital illustration of Enterobacter Gram-negative bacilli on black background. — Stock Photo
    Digital illustration of Enterobacter Gram-negative bacilli on black background.
    Illustration of transparent blue silhouette of male body with colored lungs. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored lungs.
    Male body silhouette with visible hip pain, digital illustration. — Stock Photo
    Male body silhouette with visible hip pain, digital illustration.
    Preteen girl breathing into peak flow meter and looking at nurse. — Stock Photo
    Preteen girl breathing into peak flow meter and looking at nurse.
    Human silhouette lifting kettle bells with visible skeletal system, digital illustration. — Stock Photo
    Human silhouette lifting kettle bells with visible skeletal system, digital illustration.
    3d rendered illustration of posterior cruciate ligament in human skeleton. — Stock Photo
    3d rendered illustration of posterior cruciate ligament in human skeleton.
    Silhouette of male obese runner having knee pain, conceptual digital illustration. — Stock Photo
    Silhouette of male obese runner having knee pain, conceptual digital illustration.
    Female biologist holding flask containing stem cells. — Stock Photo
    Female biologist holding flask containing stem cells.
    Human fetus at week 10, realistic digital illustration. — Stock Photo
    Human fetus at week 10, realistic digital illustration.
    Intestinal villi structure — Stock Photo
    Intestinal villi structure
    Human fetus at week 15, realistic digital illustration. — Stock Photo
    Human fetus at week 15, realistic digital illustration.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Spine, rib cage and arm bones — Stock Photo
    Spine, rib cage and arm bones
    Conceptual illustration of human microbiome microbes inside capsule. — Stock Photo
    Conceptual illustration of human microbiome microbes inside capsule.
    Seals sunbathing on rock — Stock Photo
    Seals sunbathing on rock
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Abstract female body with detailed neck pain, conceptual digital illustration. — Stock Photo
    Abstract female body with detailed neck pain, conceptual digital illustration.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Transparent male silhouette with visible appendix, computer illustration. — Stock Photo
    Transparent male silhouette with visible appendix, computer illustration.
    Human skeleton with spinal cord, computer illustration. — Stock Photo
    Human skeleton with spinal cord, computer illustration.
    Tiger beetle in detailed portrait shot. — Stock Photo
    Tiger beetle in detailed portrait shot.
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Male body with visible colored Teres major muscle, computer illustration. — Stock Photo
    Male body with visible colored Teres major muscle, computer illustration.
    Illustration of visible yellow colored lungs in transparent human body silhouette. — Stock Photo
    Illustration of visible yellow colored lungs in transparent human body silhouette.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Transparent male silhouette with colored lumbar spine, computer illustration. — Stock Photo
    Transparent male silhouette with colored lumbar spine, computer illustration.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Human cardiac tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac tissue, light micrograph. Haematoxylin and eosin stain.
    Illustration of senior woman blue silhouette with highlighted larynx on black background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted larynx on black background.
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Lioness chewing zebra leg in Tanzania. — Stock Photo
    Lioness chewing zebra leg in Tanzania.
    Illustration of male office worker with painful back. — Stock Photo
    Illustration of male office worker with painful back.
    Dog anatomy with visible organs on black background, digital illustration. — Stock Photo
    Dog anatomy with visible organs on black background, digital illustration.
    Chrysanthemum flower bud, light micrograph. — Stock Photo
    Chrysanthemum flower bud, light micrograph.
    Female skeleton in transparent body silhouette on white background, computer illustration. — Stock Photo
    Female skeleton in transparent body silhouette on white background, computer illustration.
    Digital illustration of thyroid gland in senior man body. — Stock Photo
    Digital illustration of thyroid gland in senior man body.
    Silhouette of running obese man with joint pain, computer illustration. — Stock Photo
    Silhouette of running obese man with joint pain, computer illustration.
    Illustration of cancerous tumour in female lung. — Stock Photo
    Illustration of cancerous tumour in female lung.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Transparent body model showing male anatomy and internal organs, digital illustration. — Stock Photo
    Transparent body model showing male anatomy and internal organs, digital illustration.
    View of Male skeleton — Stock Photo
    View of Male skeleton
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Illustration of human bladder in body silhouette. — Stock Photo
    Illustration of human bladder in body silhouette.
    Leg and foot bones — Stock Photo
    Leg and foot bones
    Close-up of Chaenomeles japonica pink flower blooming on branch. — Stock Photo
    Close-up of Chaenomeles japonica pink flower blooming on branch.
    Abstract male figure with detailed Extensor hallucis longus muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Extensor hallucis longus muscle, computer illustration.
    Illustration of human foetus on week 8 on white background. — Stock Photo
    Illustration of human foetus on week 8 on white background.
    Normal human brain — Stock Photo
    Normal human brain
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Reovirus viral particle — Stock Photo
    Reovirus viral particle
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Middle phalanx bones in x-ray computer illustration of human foot. — Stock Photo
    Middle phalanx bones in x-ray computer illustration of human foot.
    Colored DNA molecule damage, genetic disorder conceptual illustration. — Stock Photo
    Colored DNA molecule damage, genetic disorder conceptual illustration.
    Human skeletal anatomy — Stock Photo
    Human skeletal anatomy