There’s some white stuff in the middle of a canker sore, surrounded by a dark red ring. What’s the white stuff? A staph infection? White blood cells? Dead cells? Thanks!
In: Biology
What’s in the middle of a canker sore?
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There’s some white stuff in the middle of a canker sore, surrounded by a dark red ring. What’s the white stuff? A staph infection? White blood cells? Dead cells? Thanks!
In: Biology
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