close-up of abstract microscopic amoebas. 3d rendering. scientific background. for medical banner or poster

amoeba microorganism microscopic cell macro laboratory medical organism microscope biology micro science bacteria research education life virus microbiology organic protozoa lab protista pond division nuclei nucleus paramecia microscopy conjugation paramecium caudatum animalcule water magnification bacterium liquid light blue bubble surface abstract texture gradient glass shiny amorphous background