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23761876 results

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    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Human head structural anatomy — Stock Photo
    Human head structural anatomy
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Human hip bone structure — Stock Photo
    Human hip bone structure
    Surface of the human tongue, computer illustration. — Stock Photo
    Surface of the human tongue, computer illustration.
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Assorted pills lying on DNA sequence — Stock Photo
    Assorted pills lying on DNA sequence
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Healthy ankle joint — Stock Photo
    Healthy ankle joint
    Plague bacteria illustration — Stock Photo
    Plague bacteria illustration
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Normal shoulder girdle — Stock Photo
    Normal shoulder girdle
    Simplified human brain anatomy — Stock Photo
    Simplified human brain anatomy
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Normal skull anatomy of young adult — Stock Photo
    Normal skull anatomy of young adult
    Cervical and thoracic spine regions — Stock Photo
    Cervical and thoracic spine regions
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Blood clot formed by red blood cells — Stock Photo
    Blood clot formed by red blood cells
    Internal brain anatomy — Stock Photo
    Internal brain anatomy
    Human lungs with ribcage — Stock Photo
    Human lungs with ribcage
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Dual chamber pacemaker — Stock Photo
    Dual chamber pacemaker
    Structure and anatomy of human teeth — Stock Photo
    Structure and anatomy of human teeth
    Healthy internal organs of adult — Stock Photo
    Healthy internal organs of adult
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Antibiotic passing through bacterial wall — Stock Photo
    Antibiotic passing through bacterial wall
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail. — Stock Photo
    Light micrograph (LM) of longitudinal section through a fetal finger tip to show the developing nail.
    Male musculature anatomy — Stock Photo
    Male musculature anatomy
    Four-armed chromosomes — Stock Photo
    Four-armed chromosomes
    Area of inflammation in shoulder joint — Stock Photo
    Area of inflammation in shoulder joint
    Tooth pain visualization — Stock Photo
    Tooth pain visualization
    Simplified human brain anatomy — Stock Photo
    Simplified human brain anatomy
    Tongue surface showing papillae — Stock Photo
    Tongue surface showing papillae
    Elbow joint anatomy — Stock Photo
    Elbow joint anatomy
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Nerve cells and axons — Stock Photo
    Nerve cells and axons
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Intestinal villi projections — Stock Photo
    Intestinal villi projections
    Human brain structure — Stock Photo
    Human brain structure
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Human thyroid gland — Stock Photo
    Human thyroid gland
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Muscular and skeletal systems — Stock Photo
    Muscular and skeletal systems
    Colon affected by ulcerative colitis — Stock Photo
    Colon affected by ulcerative colitis
    Spine, rib cage and arm bones — Stock Photo
    Spine, rib cage and arm bones
    Human head anatomy — Stock Photo
    Human head anatomy
    Red blood cells — Stock Photo
    Red blood cells
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    Trachea lined with ciliated columnar epithelium — Stock Photo
    Trachea lined with ciliated columnar epithelium
    Human tooth being removed — Stock Photo
    Human tooth being removed