Words similar to stains

Example sentences for: stains

How can you use “stains” in a sentence? Here are some example sentences to help you improve your vocabulary:

Club soda is the wonder cure for stains but perhaps most effectively at the time of the calamity.
The fact that anti-MCM2 more frequently stains metaplastic cells at the epithelial surface suggests that it is more likely than anti-Ki-67 to detect exfoliated proliferating epithelial cells in cytological specimens such as sputum.
AFB and fungal stains of the gastrointestinal and bone marrow biopsies were negative as were cultures of the bone marrow 6 weeks later.
For the trophozoite stage collection, visual inspection of the Giemsa stains show a nearly pure trophozoite population with less than 1% schizonts.
If you're so good explain the shit stains on your face.