Map got your tongue?

In what appeared to be a slip of the tongue, “Saturday Night Live” alumna Kate McKinnon recently revealed to People that she has an odd but harmless medical condition called “geographic tongue.”

“Your tongue sheds in patches and looks like an atlas, hence the name ‘geographic tongue,’ ” McKinnon, 41, explained to the mag . 4

“It’s gross,” she added. “Maybe I shouldn’t be saying this in a magazine.”

The Cleveland Clinic estimates that 3% of people worldwide have the condition, known scientifically as benign migratory glossitis. That approximation may be an undercount, the clinic noted, because patients don’t always seek medical care.

Here’s a look at this unusual carto-tongue-graphy.

What is ‘geographic tongue’?

Small bumps called papillae cover the ton

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