What is on Keith's tongue?

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Keith says:

I'm a regular Boing Boing reader. Here's something that's kinda strange, maybe you can help. Here's a link to a picture of my tongue. Perhaps other Boing Boing readers can help me out.

I've had these things hanging under my tongue all my life. Only recently have they been bothering me. I've been accidentally biting them and/or getting them caught on my lower teeth. It hurts a lot when this happens. Nobody else I know has these, except for my 5-year-old son; I figure it's genetic. As an adoptee though, I have limited access to my genetic history. My birth mother says that she doesn't have these. Anyone out there have these? Anyone have them removed? I searched Gray's Anatomy online, and of course have googled, but haven't found anything on this. Any tips or information would be appreciated.

Anyway, if you could post this, cool, I'd like to hear what others have to say about it.

Anyone have an idea of what these things are? Post it in the discussions area.