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    Muscles controlling human posture — Stock Photo
    Muscles controlling human posture
    Light micrograph of a section through breast tissue showing mastitis (inflammation) of breast. — Stock Photo
    Light micrograph of a section through breast tissue showing mastitis (inflammation) of breast.
    Woman blowing nose on tissue outdoors. — Stock Photo
    Woman blowing nose on tissue outdoors.
    Cross-section of human scalp tissue, light micrograph. — Stock Photo
    Cross-section of human scalp tissue, light micrograph.
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Fingers crossed and tied — Stock Photo
    Fingers crossed and tied
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Illustration of human heart anatomy on blue background. — Stock Photo
    Illustration of human heart anatomy on blue background.
    Close-up of mature woman sneezing into tissue. — Stock Photo
    Close-up of mature woman sneezing into tissue.
    Fresh green Peas in bowl — Stock Photo
    Fresh green Peas in bowl
    Colored thyroid cancer cells, digital illustration. — Stock Photo
    Colored thyroid cancer cells, digital illustration.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Nerve cell with pink colored axon on blue background, digital illustration. — Stock Photo
    Nerve cell with pink colored axon on blue background, digital illustration.
    Female skeletal and muscular systems on white background. — Stock Photo
    Female skeletal and muscular systems on white background.
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells. — Stock Photo
    Pseudostratified epithelium, light micrograph. Pseudostratified epithelium is a type of epithelium that comprises only a single layer of cells.
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease — Stock Photo
    Alzheimer's disease. Illustration of amyloid plaques amongst neurons and neurofibrillary tangles inside neurons. Amyloid plaques are characteristic features of Alzheimer's disease
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Tumour growth, computer illustration — Stock Photo
    Tumour growth, computer illustration
    African American senior man sitting by a table, cleaning a smartphone with a tissue, social distancing and self isolation in quarantine lockdown — Stock Photo
    African American senior man sitting by a table, cleaning a smartphone with a tissue, social distancing and self isolation in quarantine lockdown
    Simple squamous epithelium, digital illustration. — Stock Photo
    Simple squamous epithelium, digital illustration.
    Salmonella bacteria on tissue surface — Stock Photo
    Salmonella bacteria on tissue surface
    Illustration of bone structure affected by osteoporosis. Thinning of the bone matrix is visible — Stock Photo
    Illustration of bone structure affected by osteoporosis. Thinning of the bone matrix is visible
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Closeup view of grated apple in a bowl and on a grater — Stock Photo
    Closeup view of grated apple in a bowl and on a grater
    Slice of woodruff cake — Stock Photo
    Slice of woodruff cake
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Muscles controlling human posture — Stock Photo
    Muscles controlling human posture
    Nerve cell with many dendrites on blue background, digital illustration. — Stock Photo
    Nerve cell with many dendrites on blue background, digital illustration.
    Shoulder muscles, bones and joints of female body, computer illustration — Stock Photo
    Shoulder muscles, bones and joints of female body, computer illustration
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink). — Stock Photo
    Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM).
    Illustration of human kidney and light micrograph of section with glomerulus. — Stock Photo
    Illustration of human kidney and light micrograph of section with glomerulus.
    Genome sequencing machine — Stock Photo
    Genome sequencing machine
    Colored magnetic resonance imaging scans of healthy brain of patient. — Stock Photo
    Colored magnetic resonance imaging scans of healthy brain of patient.
    Duct is lined with pseudostratified epithelium — Stock Photo
    Duct is lined with pseudostratified epithelium
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Microvilli of gallbladder surface — Stock Photo
    Microvilli of gallbladder surface
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Close-up of paper towel roll swirl. — Stock Photo
    Close-up of paper towel roll swirl.
    Plantar skin, light micrograph (LM) of sectioned foot sole skin. The skin on the soles of the feet is referred to as plantar skin as the outer layer of keratin (stratum corneum) (top) is much thicker here than in the rest of the body — Stock Photo
    Plantar skin, light micrograph (LM) of sectioned foot sole skin. The skin on the soles of the feet is referred to as plantar skin as the outer layer of keratin (stratum corneum) (top) is much thicker here than in the rest of the body