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lol, yes sorry sqad - I mean it is the size in the sense it is long and thin, it is not swollen at all - it does have a very slight red mark round it which is slightly warm to the touch but not hot (this is how I decided it might have a minor infection).
No, I can't see muscle, hell, I wouldn't be typing if I could - I'd have passed out hours ago. It is just a hole in the layer of skin (if it is skin - I certainly have no top layer there!) The hole is tiny - about 1/6th of my finger nail and doesn't seem too deep at all. It's almost as if that was the worst bit of the burn which has gone slightly deeper than the rest of it.