Diagnosing the source of a patient’s illness — in the pictured scenario, a gastrointestinal disorder that may have a bacterial (Salmonella on left) or viral (norovirus on right) cause — may ...
On the left: Model organism fruit fly (Drosophila melanogaster), gastrointestinal tract highlighted in green. On the right: Microscope images of the fruit fly intestine where cell nuclei are ...