Log in
Email
Password
Register
Menu
Explore
Newest photos
Popular photos
Contribute
Submission guidelines
Photographer signup
Photographer login
About
About Freerange
Image license
API
Contact us
Support
Contact support
FAQ
Login
Login
Register
Search all
Photos
Illustrations
Match All
Match Photo ID
Newest
Popular
Select Category
AI Generated
CC0 Images
Editorial and News
Animals & Insects
Architecture
Architectural Details
Arts & Music
Backgrounds & Textures
Cities and Modern Life
Business & Office
Flowers and Plants
France
Food & Drink
Holidays & Occasions
Health and Fitness
Landmarks
Interiors
Illustrations
Industry & Agriculture
Landscapes & Nature
Letters and Numbers
Objects
Other
Military
People
Signs & Symbols
Sky and Clouds
Space
Sports & Recreation
Technology
Wallpapers
Free Stock Images
Sponsored images from iStock
View footage results
Click to save 15% sitewide with code
FREERANGE15
View More
87 free petri photos from Freerange
Filter results
Popular
Most Viewed
Newest Photos
All licenses
Freerange
CC0
Photos & Illustrations
Photos
Illustrations
Per Page
25
50
100
Microbiology
Bacteria growing on a petri plate.
Hand holding an agar plate containing Escherichia coli
Escherichia coli colonies growing on an agar plate.
Staphylococcus aureus
Staphylococcus aureus growing on Baird Parker agar showing black colonies and clearing zones.
Bacteria
Examining bacteria colonies on an agar plate.
water microbiology
Water sample with petri dish.
Microscope
Science microscope for biology and microbiology
Food Safety Antigen Antibody Test - Macro
An antigen antibody test for undeclared meats. To identify horse or pork in beef products. Produces a visible white line when reaction occurs.
Microbiology
Microorganisms growing.
Microbiology
Bacteria plate in a rack.
Macro of Staphylococcus aureus
Staphylococcus aureus growing on Baird Parker agar showing black colonies and clearing zones.
Medical Doctors Performing DNA Analysis
Medical Doctors Performing DNA Analysis
Bacteria
Rod and Cocci bacteria viewed under a microscopy at 1000x.
E. coli bacteria
E. coli growing on a filter on an agar plate.
Macro of Pseudomonas bactera colonies
Macro of Pseudomonas colonies growing on an agar plate.
Food Safety Antigen Antibody Test on Black
An antigen antibody test for undeclared meats. To identify horse or pork in beef products. Produces a visible white line when reaction occurs.
Bacteria growing on a perti dish.
Macro image of sewage bacteria.
Antibiotic resistances
Bacteria resistant to antibiotics growing on an agar plate.
E. coli
Filtered water sample containing E. coli growing on DC media.
Bacteria on an agar plate
Sewage bacteria on black background.
Bacteria growing on a perti dish.
Macro image of sewage bacteria.
Coliforms
Coliforms growing on DC media.
Mold
Mold growing on an agar plate.
Drinking water safety
Testing drinking water for E. coli bacteria.
Microbiology
Microorganisms growing.
Escherichia coli colonies isloated on white
Escherichia coli colonies growing on an agar plate.
Bacteria growing on a perti dish.
Macro image of sewage bacteria.
Bacteria growing on a perti dish.
Macro image of sewage bacteria.
Macro of E. coli colonies
Foos safety pathogen E. coli growing on a agar plate
Science
The color of different petri plates under UV light.
Marco of E. coli colonies
E. coli growing on a filter on an agar plate.
Microbiology
Bacteria growing on a petri plate.
Escherichia coli colonies isloated on Black
Escherichia coli colonies growing on an agar plate.
E. coli bacteria
Zone of inhibition produced by Lingonberry extract on an EMB agar plate containing E. coli and a control.
Antibiotic testing
Testing different concentrations of antibiotics
Beacteria
Examining a petri plate for bacteria.
Escherichia coli colonies
Escherichia coli colonies growing on an agar plate.
Untitled photo
Find even more royalty free stock photos from the world's best photographers
View
of
2
Try your search on iStock: