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    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Villi from the lining of the jejunum — Stock Photo
    Villi from the lining of the jejunum
    Kidneys in relation to other internal organs — Stock Photo
    Kidneys in relation to other internal organs
    Section through the cerebellum in the brain — Stock Photo
    Section through the cerebellum in the brain
    Four-armed chromosomes — Stock Photo
    Four-armed chromosomes
    Light micrograph of human red blood cells (erythrocytes), with two unidentified white blood cells (leucocytes) near the centre. — Stock Photo
    Light micrograph of human red blood cells (erythrocytes), with two unidentified white blood cells (leucocytes) near the centre.
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Human stomach and digestive system — Stock Photo
    Human stomach and digestive system
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Human multi-cellular embryo — Stock Photo
    Human multi-cellular embryo
    Human arm skeletal structure — Stock Photo
    Human arm skeletal structure
    Pseudomonas bacteria on black background — Stock Photo
    Pseudomonas bacteria on black background
    Chromosomes with four-arm structure — Stock Photo
    Chromosomes with four-arm structure
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Normal and healthy abdomen anatomy — Stock Photo
    Normal and healthy abdomen anatomy
    Anatomy and body systems of adult female — Stock Photo
    Anatomy and body systems of adult female
    Lung and bronchi structure — Stock Photo
    Lung and bronchi structure
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Normal human anatomy — Stock Photo
    Normal human anatomy
    Human sinuses structure and anatomy — Stock Photo
    Human sinuses structure and anatomy
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Sinuses cavities structure and anatomy — Stock Photo
    Sinuses cavities structure and anatomy
    Organs and body systems of adult female — Stock Photo
    Organs and body systems of adult female
    Healthy teeth and gum — Stock Photo
    Healthy teeth and gum
    Red blood cells flowing inside an artery — Stock Photo
    Red blood cells flowing inside an artery
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Structural anatomy of normal shoulder — Stock Photo
    Structural anatomy of normal shoulder
    Structure of animal cell — Stock Photo
    Structure of animal cell
    Structural anatomy of adult human — Stock Photo
    Structural anatomy of adult human
    Lumbar spine structural anatomy — Stock Photo
    Lumbar spine structural anatomy
    Red blood cells in sickle cell anaemia — Stock Photo
    Red blood cells in sickle cell anaemia
    Bacterial infection and reproducing bacteria — Stock Photo
    Bacterial infection and reproducing bacteria
    Sinuses cavities structure and anatomy — Stock Photo
    Sinuses cavities structure and anatomy
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Human brain showing regions and structures — Stock Photo
    Human brain showing regions and structures
    Normal human chromosomes — Stock Photo
    Normal human chromosomes
    Intestinal villi structure — Stock Photo
    Intestinal villi structure
    Axon connections between cells — Stock Photo
    Axon connections between cells
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Foreign object in rectum — Stock Photo
    Foreign object in rectum
    Neural network showing synaptic terminals — Stock Photo
    Neural network showing synaptic terminals
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    X-ray of Broken shoulder — Stock Photo
    X-ray of Broken shoulder
    Human hand bones anatomy — Stock Photo
    Human hand bones anatomy
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Healthy human brain — Stock Photo
    Healthy human brain
    Focus of inflammation localized in jaw — Stock Photo
    Focus of inflammation localized in jaw
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Human skeletal system and structural anatomy — Stock Photo
    Human skeletal system and structural anatomy
    Central nervous system of adult — Stock Photo
    Central nervous system of adult
    Upper-body and skull skeletal system — Stock Photo
    Upper-body and skull skeletal system
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Human skeletal structure — Stock Photo
    Human skeletal structure
    Trees, reflection,Okavango Delta, Botswana — Stock Photo
    Trees, reflection,Okavango Delta, Botswana
    Infected bronchus with mucus — Stock Photo
    Infected bronchus with mucus
    Male internal anatomy — Stock Photo
    Male internal anatomy