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    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Colonial tunicate closeup shot — Stock Photo
    Colonial tunicate closeup shot
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Medical ilustration of an appendix with appendicitis — Stock Photo
    Medical ilustration of an appendix with appendicitis
    Medical ilustration of gallstones in the gallbladder and the cholecystectomy — Stock Photo
    Medical ilustration of gallstones in the gallbladder and the cholecystectomy
    Swine influenza virus microscopic view — Stock Photo
    Swine influenza virus microscopic view
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Older man looking out binoculars on edge of boat — Stock Photo
    Older man looking out binoculars on edge of boat
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    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.
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Male sex cell — Stock Photo
    Male sex cell
    Translucent shrimp crawling on bubble coral — Stock Photo
    Translucent shrimp crawling on bubble coral
    Closeup of magnified part of black and brown ant with legs — Stock Photo
    Closeup of magnified part of black and brown ant with legs
    Colored digital illustration of red cancer cells. — Stock Photo
    Colored digital illustration of red cancer cells.
    Woman with mole on shoulder being examined through dermatoscope. — Stock Photo
    Woman with mole on shoulder being examined through dermatoscope.
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Illustration of illuminated red human cancer cells. — Stock Photo
    Illustration of illuminated red human cancer cells.
    Illustration of diverticulitis in the descending colon of the human intestine — Stock Photo
    Illustration of diverticulitis in the descending colon of the human intestine
    Tree coral on Fijian reef — Stock Photo
    Tree coral on Fijian reef
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Osteosarcoma cancer cell — Stock Photo
    Osteosarcoma cancer cell
    Veterinarians examining dog in veterinary surgery — Stock Photo
    Veterinarians examining dog in veterinary surgery
    Pattern of giant sea cucumber — Stock Photo
    Pattern of giant sea cucumber
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Female scientist using microscope in laboratory — Stock Photo
    Female scientist using microscope in laboratory
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Colored digital illustration of green cancer cells. — Stock Photo
    Colored digital illustration of green cancer cells.
    Boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy student using microscope, conducting scientific experiment in laboratory classroom
    Illustration of blue cancer cell on blue background. — Stock Photo
    Illustration of blue cancer cell on blue background.
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Colored digital illustration of pink cancer cells. — Stock Photo
    Colored digital illustration of pink cancer cells.
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Clostridium phytofermentans bacteria — Stock Photo
    Clostridium phytofermentans bacteria
    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.
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes — Stock Photo
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes
    Common house dust mite — Stock Photo
    Common house dust mite
    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    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
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Encrusting sponge closeup shot — Stock Photo
    Encrusting sponge closeup shot
    Illustration of red cancer cell on blue background. — Stock Photo
    Illustration of red cancer cell on blue background.
    Lychnocanoma radiolarian shell — Stock Photo
    Lychnocanoma radiolarian shell
    Cashmere wool fibres, coloured scanning electron micrograph (SEM). — Stock Photo
    Cashmere wool fibres, coloured scanning electron micrograph (SEM).
    Tiny shrimp on pin-cushion starfish — Stock Photo
    Tiny shrimp on pin-cushion starfish
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Chromodoris kuniei nudibranch — Stock Photo
    Chromodoris kuniei nudibranch
    Closeup of magnified grey head of flying insect with round convex brown eyes — Stock Photo
    Closeup of magnified grey head of flying insect with round convex brown eyes
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Microscopic view of colorful tumor cells — Stock Photo
    Microscopic view of colorful tumor cells