Royalty-Free Microbiology Photos, orientation: horizontal
- 3888x2592 Public Domain
- 3456x2304 Public Domain
- 2784x1848 Public Domain
- 3672x2448 Public Domain
- 5000x3333 Public Domain
- 2424x1731 Public Domain
- 5267x3511 Public Domain
- 3264x2448 Public Domain
- 1920x1271 Public Domain
- 4896x3264 Public Domain
- 1920x1271 Public Domain
- 2583x1729 Public Domain
- 1920x1271 Public Domain
- 2100x1761 Public Domain
- 1920x1271 Public Domain
- 1920x1271 Public Domain
- 2024x1464 Public Domain
- 1920x1271 Public Domain
- 1920x1271 Public Domain
- 4000x2661 Public Domain
- 5652x3768 Public Domain
- 2272x1704 Public Domain
- 1920x1271 Public Domain
- 3600x1800 Public Domain
- 5443x3629 Public Domain
- 1920x1271 Public Domain
- 1920x1271 Public Domain
- 3264x2448 Public Domain