There is a wide variety of causes for these bumps. In addition, most human skulls have a natural prominence on the back of the head. This bump, called an inion, marks the bottom of the skull where ...

Your tongue is naturally lumpy, but noticeable bumps on the back of the tongue signal an irritation, infection, or serious ...

I have a single bump on my penis foreskin on the penis head. its not itchy and it doesn't hurt until i touch or poke with it. I had it about 4-5 months ago in the same spot. I am sexually inactive but ...