A high energy beam scanner, called a scanning electron micrograph, was used to capture this image, which shows the surface of a human tongue.
The protruding objects, called filiform papillae, can sense pressure. The flaky appearance of the papillae results from the fact that they are constantly shedding their skin to increase sensitivity.
Image via Science Photo/Photo Researchers.
Via Fox News.
That is so cool! Difficult to imagine those things are responsible for pleasure!