What purpose does that little knob of skin on the upper mouth behind the front teeth serve?
In: Biology
I think you’re talking about the incisive papilla. From what I know it’s just a bundle of nerves and is rich in blood vessels as it is situated lower to the incisive foramen where these nerves come through. If it’s a bigger or hurts then it’s likely inflamed, which is quite common. Usually you don’t really feel it.
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