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    Coloured profile (side view) X-ray of a healthy breast. — Stock Photo
    Coloured profile (side view) X-ray of a healthy breast.
    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
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Close-up of breakfast in plate on table in cafe. — Stock Photo
    Close-up of breakfast in plate on table in cafe.
    Genome sequencing machine — Stock Photo
    Genome sequencing machine
    Tween girl attends a zoom meeting for class during quarantine — Stock Photo
    Tween girl attends a zoom meeting for class during quarantine
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Lentil salad with mango — Stock Photo
    Lentil salad with mango
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    African American girl social distancing at home during quarantine lockdown, wearing a stripped t-shirt, covering her nose with a tissue while sneezing, in a garden on a sunny day. — Stock Photo
    African American girl social distancing at home during quarantine lockdown, wearing a stripped t-shirt, covering her nose with a tissue while sneezing, in a garden on a sunny day.
    Closeup view of homemade strawberry Greek yogurt in bowl — Stock Photo
    Closeup view of homemade strawberry Greek yogurt in bowl
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres. — Stock Photo
    Fat (adipose) tissue, coloured scanning electron micrograph (SEM). The fat cells (adipocytes, round) are surrounded by collagen fibres.
    Abstract green colored cancer cells on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cells on tissue, digital illustration.
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    False-colour scanning electron micrograph of a section of healthy lung tissue, showing the microscopic air sacs (alveoli) where gas exchange takes place. — Stock Photo
    False-colour scanning electron micrograph of a section of healthy lung tissue, showing the microscopic air sacs (alveoli) where gas exchange takes place.
    Illustration of human heart anatomy on white background. — Stock Photo
    Illustration of human heart anatomy on white background.
    Wilms tumour of the kidney — Stock Photo
    Wilms tumour of the kidney
    Abstract biopolymer structure, conceptual illustration. — Stock Photo
    Abstract biopolymer structure, conceptual illustration.
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Adipocyte fat cell — Stock Photo
    Adipocyte fat cell
    Tumour growth, computer illustration — Stock Photo
    Tumour growth, computer illustration
    Shoulder muscles, bones and joints of female body, computer illustration — Stock Photo
    Shoulder muscles, bones and joints of female body, computer illustration
    Digital illustration of human bone anatomy. — Stock Photo
    Digital illustration of human bone anatomy.
    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
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left). — Stock Photo
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left).
    Muscles controlling human posture — Stock Photo
    Muscles controlling human posture
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Fried peeled shrimps — Stock Photo
    Fried peeled shrimps
    Close up view of teared blue jeans — Stock Photo
    Close up view of teared blue jeans
    Illustration of human heart anatomy on grey background. — Stock Photo
    Illustration of human heart anatomy on grey background.
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue. — Stock Photo
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue.
    Illustration of removal of colonic polyp with electrical wire loop during colonoscopy. — Stock Photo
    Illustration of removal of colonic polyp with electrical wire loop during colonoscopy.
    Slice of pepperoni pizza — Stock Photo
    Slice of pepperoni pizza
    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).
    Neck muscles in female body, side view, computer illustration — Stock Photo
    Neck muscles in female body, side view, computer illustration
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink)
    Bunch of fresh radishes — Stock Photo
    Bunch of fresh radishes
    Structure of trachea, light micrograph. — Stock Photo
    Structure of trachea, light micrograph.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits — Stock Photo
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits
    Heart strings strings — Stock Photo
    Heart strings strings
    Hamburger with cheese and tomatoes — Stock Photo
    Hamburger with cheese and tomatoes
    Closeup of woman having sushi food in restaurant — Stock Photo
    Closeup of woman having sushi food in restaurant
    Poppy and bacon dumplings with cabbage salad — Stock Photo
    Poppy and bacon dumplings with cabbage salad
    Anatomy of human skin — Stock Photo
    Anatomy of human skin
    Female anatomy showing back muscles, computer illustration — Stock Photo
    Female anatomy showing back muscles, computer illustration
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow) — Stock Photo
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow)
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Cross-section through human skin — Stock Photo
    Cross-section through human skin
    Closeup view of Blinis topped with sour cream and caviar — Stock Photo
    Closeup view of Blinis topped with sour cream and caviar
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Human rib cage showing heart with vessels and bronchial tree on white background. — Stock Photo
    Human rib cage showing heart with vessels and bronchial tree on white background.
    3d illustration of brain cancer cell connecting to tissue. — Stock Photo
    3d illustration of brain cancer cell connecting to tissue.
    Anatomy of human skin — Stock Photo
    Anatomy of human skin