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    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Medical illustration of fetus in the womb — Stock Photo
    Medical illustration of fetus in the womb
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Anemonefish eggs on seafloor — Stock Photo
    Anemonefish eggs on seafloor
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Phyllidia varicosa nudibranch — Stock Photo
    Phyllidia varicosa nudibranch
    Pattern of giant sea cucumber — Stock Photo
    Pattern of giant sea cucumber
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Tozeuma shrimp on coral branch — Stock Photo
    Tozeuma shrimp on coral branch
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Male engineer using stereo microscope for inspecting manufactured component during quality control process. — Stock Photo
    Male engineer using stereo microscope for inspecting manufactured component during quality control process.
    Secondary liver cancer — Stock Photo
    Secondary liver cancer
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Students and teacher using binoculars in forest — Stock Photo
    Students and teacher using binoculars in forest
    Woman with mole on shoulder being examined through dermatoscope. — Stock Photo
    Woman with mole on shoulder being examined through dermatoscope.
    Pathophysiology of diabetic foot ulcers — Stock Photo
    Pathophysiology of diabetic foot ulcers
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Cat flea head — Stock Photo
    Cat flea head
    Aspen leaf on birch bark in autumn, close-up — Stock Photo
    Aspen leaf on birch bark in autumn, close-up
    Soft coral polyps growing on reef — Stock Photo
    Soft coral polyps growing on reef
    Eager girl students raising arms behind microscopes in laboratory classroom — Stock Photo
    Eager girl students raising arms behind microscopes in laboratory classroom
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory — Stock Photo
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Woman with mole on shoulder being examined through dermatoscope. — Stock Photo
    Woman with mole on shoulder being examined through dermatoscope.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Illustration of diverticulitis in the descending colon of the human intestine — Stock Photo
    Illustration of diverticulitis in the descending colon of the human intestine
    Female nurse with clipboard looking at magnified microscope slide on computer monitor — Stock Photo
    Female nurse with clipboard looking at magnified microscope slide on computer monitor
    Illustration of green illuminated cancer cell. — Stock Photo
    Illustration of green illuminated cancer cell.
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Anchor coral closeup shot — Stock Photo
    Anchor coral closeup shot
    Sergeant Major fish eggs — Stock Photo
    Sergeant Major fish eggs
    Binoculars overlooking still lake in rural landscape in Banff, Alberta, Canada — Stock Photo
    Binoculars overlooking still lake in rural landscape in Banff, Alberta, Canada
    White blood cells — Stock Photo
    White blood cells
    Giant cell tumour of the bone — Stock Photo
    Giant cell tumour of the bone
    Colorful sea star skin closeup shot, Lembeh Strait, Indonesia — Stock Photo
    Colorful sea star skin closeup shot, Lembeh Strait, Indonesia
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Crust anemone in Papua New Guinea — Stock Photo
    Crust anemone in Papua New Guinea
    Scientist using microscope in laboratory — Stock Photo
    Scientist using microscope in laboratory
    White blood cells — Stock Photo
    White blood cells
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Microscopic cross section view of HIV virus — Stock Photo
    Microscopic cross section view of HIV virus
    Male engineer using stereo microscope for inspecting manufactured component during quality control process. — Stock Photo
    Male engineer using stereo microscope for inspecting manufactured component during quality control process.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Smiling couple holding opera glasses in theater audience — Stock Photo
    Smiling couple holding opera glasses in theater audience
    Male engineer using stereo microscope for inspecting manufactured component during quality control process. — Stock Photo
    Male engineer using stereo microscope for inspecting manufactured component during quality control process.