類似のロイヤリティフリーの画像
Close up shot of scientist dropping some red liquid from dropper to petri dish on microscope, she conducted this experiment to find new experimental results.
Hand holding blood sample vial in laboratory tube test
A medical professional, laboratory assistant, doctor performs an analysis in a laboratory, uses test tubes, a pipette and a petri dish for the presence of bacteria in the human body
続きを見る