B. Pollen grain
C. Talcum powder
D. Air bubble
E. Fat droplets
F. Cloth fiber
The object at the pointer is glove powder, it’s common artifact you might ...
Iodine stain. Left, an Entamoeba coli trophozoite.
Right, this artefact is morphologically like a trophozoite, but the inside “nucleus” is actually superimposed fecal debris.