Scientist holding empty test tube
Scientist holding test tube with green leaf
Lab technician writing on test tube
Person holding test tube with green leaf
Reaching for a test tube
Person holding test tube
Lab technician holding test tube
Person holding vial
Hands and test tube tray
Healthcare And Medicine
Scientist experimenting with liquid chemicals and test tube
Test tube with red liquid
Blue water in a test tube
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube
Micro pipette and test tube
Test tube with steaming pink liquid
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube,Pipette
Pipetting
Urine sample test tube
Person holding a centrifuge tube
Centrifuge tube containing a sample
Hands with test tube tray
Pouring from beaker into test tube
試験管
Test tubes in a tube rack
Test tubes with medical samples
Empty tubes in a test tube rack
Liquid in test tube
Scientist holding test tube rack
Test tube in laboratory
Illustration Technique, Measuring Beaker, Test Tube,
Test tubes in a test tube rack
Seedlings inside test tubes
Pipette and test tubes
Test tubes
Scientist holding petri dish with bacteria
Person holding multi well plate
Healthcare And Medicine,Glassware,Utensil,Test Tube,Beaker,Measuring Beaker
Medical samples in test tubes
Test tubes in a rack
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test TubeHealthcare And Medicine,Test Tube
Pipette dripping liquid into test tube
Mounting specimen on microscope stage
Pipette dropping liquid into test tube
Hand with test tube
Rack of test tubes with solution on blue counter
Vacutainer tube with green liquid
水の中の試験管
Scientist in a laboratory
Liquid in test tubes
Test tubes, close up
Test tubes in rack
実験イメージ
Biological sample
試験管とスポイト
Test tubes filled with coloured liquid
Drosophila fruit flies in a test tube
Robotic arm holding test tube
Pipette dropping liquid into test tubes
Close up of pipette in test tube
Molten crystals in a test tube
Person holding a test tube with dye liquid
Pipetting: a dropper pipette is used to transfer a small amount of liquid to a test tube
Drop of oil falling into test tube, close-up
Close-up of a person's hand holding a test tube
Laboratory Test & Medicines
Dropper measuring liquid into test tube mouths
Virology test tube
Close up of test tubes
Laboratory microscope and test tubes
Graduated pipette and test tubes
Lab tech placing test tube in rack
Pharmaceutical research
Ammonia test
Scientist using pipette with microtubes
Samples in test tubes
Microscope and test tubes
Laboratory containers
Pipette adding sample to a test tube in a laboratory
Scientist picking test tube out of rack on counter in lab
Test tubes in a holder
Test tube with blood sample
Dropper placing liquid into test tubes
Scientist holding test tube
Scientist looking at test tube
Cancer research laboratory, hands of scientist holding up test tubes with cells in solution
test tubes in laboratory.
Coffee beans in test tube
Aluminium precipitate in sodium hydroxide
Aluminium in excess sodium hydroxide
Close up of liquid pouring into beaker
figure and test tube
Glass beakers and test tube, X-ray
Test tubes and pipette
Scientist writing on test tube
Eppendorf tube with pipette
Micropipette and eppendorf tube
Scientist holding dropper and test tube
Measuring cylinder, close up
Biological research
Female scientist holding a test tube
Test tube of sulphur and iron mix
Microtubes
Pipetting liquid
Plant research, conceptual image
Water sample in a test tube
Researcher examines bacterial test tube cultures
Scientist experimenting in laboratory
Test tube of chlorine condensed
Blue test tubes
Researchers discussing test results
A plant and a seed in a test tube
Scientist holding a plant in a test tube
Samples and test tubes
Test tubes containing liquid
Test tubes with clear liquid