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Most patients do get concerned noticing bumps or a purplish or bluish areas in the region under the tongue.
Such occurrences are completely normal.
There are varicose veins (which are normal) in that area called as lingual varices, as well fimbriated folds of tissue that tend to cause such appearances.
I know it looks weird, but there is nothing to worry about! If you search for "lingual varices" in Google Images, you will see thousands of photos, looking just like yours.
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That is just normal tissue that looks distended and swollen. Everyone has that appearance when the tongue is raised upwards.
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