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    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Forensics expert collecting blood sample from crime scene. — Stock Photo
    Forensics expert collecting blood sample from crime scene.
    Close up view of onions in soil with watering tube along — Stock Photo
    Close up view of onions in soil with watering tube along
    Female scientist examining test tube in laboratory — Stock Photo
    Female scientist examining test tube in laboratory
    Frozen pipeline valve installed on metal tube transferring liquid nitrogen at oil and gas processing factory — Stock Photo
    Frozen pipeline valve installed on metal tube transferring liquid nitrogen at oil and gas processing factory
    Crop unrecognizable transsexual man at table with collection of beauty products and mirror in cabin — Stock Photo
    Crop unrecognizable transsexual man at table with collection of beauty products and mirror in cabin
    Flow of yummy beverage pouring into transparent glass with striped straw near juicy strawberries on black background — Stock Photo
    Flow of yummy beverage pouring into transparent glass with striped straw near juicy strawberries on black background
    Mid section of laboratory technicians holding tags in blood bank — Stock Photo
    Mid section of laboratory technicians holding tags in blood bank
    Exterior of steel factory with metal pipes placed outside building in Asturias — Stock Photo
    Exterior of steel factory with metal pipes placed outside building in Asturias
    Underwater view of Surfer on Banzai Pipeline, Hawaii, USA — Stock Photo
    Underwater view of Surfer on Banzai Pipeline, Hawaii, USA
    Diseased uterus in female body, digital illustration. — Stock Photo
    Diseased uterus in female body, digital illustration.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Man smoking traditional hookah in a night club — Stock Photo
    Man smoking traditional hookah in a night club
    From above of crop unrecognizable medic in uniform preparing patient with tourniquet for intravenous procedure in hospital — Stock Photo
    From above of crop unrecognizable medic in uniform preparing patient with tourniquet for intravenous procedure in hospital
    Powerful foamy sea waves rolling and splashing over water surface against blue sky — Stock Photo
    Powerful foamy sea waves rolling and splashing over water surface against blue sky
    Chinese siblings wearing swimming tubes running to car with parents — Stock Photo
    Chinese siblings wearing swimming tubes running to car with parents
    Centrifuging blood samples with barcodes, digital illustration. — Stock Photo
    Centrifuging blood samples with barcodes, digital illustration.
    Close up of text tubes in rack at science lab — Stock Photo
    Close up of text tubes in rack at science lab
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Back view of young sensual woman in pants with balloon looking at camera over shoulder against neon lamps — Stock Photo
    Back view of young sensual woman in pants with balloon looking at camera over shoulder against neon lamps
    Close-up view of ampoule on genetic research autoradiogram. — Stock Photo
    Close-up view of ampoule on genetic research autoradiogram.
    Toothbrush and toothpaste in glass against plain background. — Stock Photo
    Toothbrush and toothpaste in glass against plain background.
    Petroleum refinery construction in blue cloudy sky — Stock Photo
    Petroleum refinery construction in blue cloudy sky
    Man bodyboarding in Caribbean — Stock Photo
    Man bodyboarding in Caribbean
    Various food produce in test tubes, studio shot. — Stock Photo
    Various food produce in test tubes, studio shot.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Bacteriophages infecting bacteria, digital illustration. — Stock Photo
    Bacteriophages infecting bacteria, digital illustration.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Inside view of a subway car — Stock Photo
    Inside view of a subway car
    Young female nurse controlling medical equipment during surgery — Stock Photo
    Young female nurse controlling medical equipment during surgery
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Test tubes filled with water and multi-colored acrylic paint — Stock Photo
    Test tubes filled with water and multi-colored acrylic paint
    Plastic baby doll toy, X-ray. — Stock Photo
    Plastic baby doll toy, X-ray.
    Little children in swimwear running around and splashing water from garden hose at each other, first person view — Stock Photo
    Little children in swimwear running around and splashing water from garden hose at each other, first person view
    Lava flowing from a lava tube into Pacific ocean, Hawaii, America, USA — Stock Photo
    Lava flowing from a lava tube into Pacific ocean, Hawaii, America, USA
    Forensic scientist putting swab into sample tube. — Stock Photo
    Forensic scientist putting swab into sample tube.
    Scientist analyzing a sample in a test tube at lab — Stock Photo
    Scientist analyzing a sample in a test tube at lab
    Glasses of delicious refreshing drinks with pear juice and fresh elderflower leaves on table — Stock Photo
    Glasses of delicious refreshing drinks with pear juice and fresh elderflower leaves on table
    Female anatomy with detailed uterus, computer illustration. — Stock Photo
    Female anatomy with detailed uterus, computer illustration.
    Glasses of delicious refreshing drinks with pear juice and fresh elderflower leaves on table — Stock Photo
    Glasses of delicious refreshing drinks with pear juice and fresh elderflower leaves on table
    Alluring woman rest by parked motorcycle on road — Stock Photo
    Alluring woman rest by parked motorcycle on road
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Happy father and son decorating Christmas cookies — Stock Photo
    Happy father and son decorating Christmas cookies
    Green coffee beans in test tube on white background, studio shot. — Stock Photo
    Green coffee beans in test tube on white background, studio shot.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Lemonade glass with plastic tube on table — Stock Photo
    Lemonade glass with plastic tube on table
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Lab technician picking up samples — Stock Photo
    Lab technician picking up samples
    Toothbrush with pea-sized amount of toothpaste and tube against white background. — Stock Photo
    Toothbrush with pea-sized amount of toothpaste and tube against white background.
    Centrifuging blood samples in barcoded test tubes, digital illustration. — Stock Photo
    Centrifuging blood samples in barcoded test tubes, digital illustration.
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Coral and sponges on mast of shipwreck — Stock Photo
    Coral and sponges on mast of shipwreck
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Female doctor holding tube with blood sample. — Stock Photo
    Female doctor holding tube with blood sample.
    Female silhouette with highlighted reproductive system, digital illustration. — Stock Photo
    Female silhouette with highlighted reproductive system, digital illustration.
    DNA swab on genetic test results. — Stock Photo
    DNA swab on genetic test results.
    Young casual asian girls looking at map on subway — Stock Photo
    Young casual asian girls looking at map on subway
    Red colored uterus in female body, computer illustration. — Stock Photo
    Red colored uterus in female body, computer illustration.
    Medical sample tube labelled with bar code. — Stock Photo
    Medical sample tube labelled with bar code.
    Harlequin swimming crab on tube anemone — Stock Photo
    Harlequin swimming crab on tube anemone