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25296292 results

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    DNA molecule structure — Stock Photo
    DNA molecule structure
    Human skeleton with emphasis on thoracic region — Stock Photo
    Human skeleton with emphasis on thoracic region
    Schematic rendering of human skeletal system — Stock Photo
    Schematic rendering of human skeletal system
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Human internal brain anatomy — Stock Photo
    Human internal brain anatomy
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Purkinje neurons in the cerebellum — Stock Photo
    Purkinje neurons in the cerebellum
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Bones and blood supply system of skull — Stock Photo
    Bones and blood supply system of skull
    Structural anatomy of normal shoulder — Stock Photo
    Structural anatomy of normal shoulder
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Adult male skeleton — Stock Photo
    Adult male skeleton
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Healthy large intestines — Stock Photo
    Healthy large intestines
    Human multi-cellular embryo — Stock Photo
    Human multi-cellular embryo
    Colon polyp removal procedure — Stock Photo
    Colon polyp removal procedure
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Bone marrow cell — Stock Photo
    Bone marrow cell
    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).
    Kidneys and adrenal glands — Stock Photo
    Kidneys and adrenal glands
    Tooth pain visualization — Stock Photo
    Tooth pain visualization
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Adult Male musculature — Stock Photo
    Adult Male musculature
    Hepatitis E virus particles — Stock Photo
    Hepatitis E virus particles
    Light micrograph of a longitudinal section through a healthy arteriole. — Stock Photo
    Light micrograph of a longitudinal section through a healthy arteriole.
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Human cell, computer illustration. — Stock Photo
    Human cell, computer illustration.
    Hand of a patient with osteoarthritis — Stock Photo
    Hand of a patient with osteoarthritis
    Human papillomavirus particles in the bloodstream — Stock Photo
    Human papillomavirus particles in the bloodstream
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Shoulder girdle structural anatomy — Stock Photo
    Shoulder girdle structural anatomy
    Human jaw bone anatomy — Stock Photo
    Human jaw bone anatomy
    Human sinuses structure and anatomy — Stock Photo
    Human sinuses structure and anatomy
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Skeletal system and cartilage of adult human — Stock Photo
    Skeletal system and cartilage of adult human
    Normal X and y chromosomes — Stock Photo
    Normal X and y chromosomes
    Human kidney structural anatomy — Stock Photo
    Human kidney structural anatomy
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Human tooth decay — Stock Photo
    Human tooth decay
    Knee of obese patient with arthritis — Stock Photo
    Knee of obese patient with arthritis
    Human fetus age 31 weeks — Stock Photo
    Human fetus age 31 weeks
    Sinuses cavities structure and anatomy — Stock Photo
    Sinuses cavities structure and anatomy
    Structural anatomy of hip joint — Stock Photo
    Structural anatomy of hip joint
    Digestive tract and internal organs — Stock Photo
    Digestive tract and internal organs
    Sperm fertilising an egg — Stock Photo
    Sperm fertilising an egg
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Spherical bacteria and rod-shaped bacteria — Stock Photo
    Spherical bacteria and rod-shaped bacteria
    Human gall bladder — Stock Photo
    Human gall bladder
    Nerve cells and nerve network — Stock Photo
    Nerve cells and nerve network
    Cervical and thoracic spine regions — Stock Photo
    Cervical and thoracic spine regions
    Structure and anatomy of human teeth — Stock Photo
    Structure and anatomy of human teeth
    Human white blood cell — Stock Photo
    Human white blood cell
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan