If you mean the casing, only if you laid it on a hot surface. IF it looks like it came from inside, then take it to an Apple store to have the Genius Bar inspect it (as long as the unit is under warranty).
A blister on the labia
In the context of blister copper, "blister" refers to the appearance of the copper after it is extracted and processed. Blister copper contains gas bubbles that form during the smelting process, giving it a blistered or bubbly appearance.
Blister Agents
Your blister pops...
The blister kept getting bigger and bigger. If you rub that on it'll prevent blisters. A blister is very painful but a blood blister is worse.
A blister has clear fluid under the skin, and a blood blister has blood under the skin. If it's a burn, it's most likely a blister.
A blood blister is a blister filled with blood, usually caused by a sharp pinch to the skin.
Do not lance a fever blister.
there is no blister under the nose.
A keloid is an overgrown scar, not a blister.
Yes. The I in blister has a short I sound.
Gory Blister was created in 1991.