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Reference Terms
from Wikipedia, the free encyclopedia


A blister or bulla is a defense mechanism of the human body.

It consists of a pool of lymph and other bodily fluids beneath the upper layers of the skin.

It may be formed in response to burns or friction, and helps to repair damage to the skin.

If a blister is punctured, it forms an open wound and must be bandaged.

Note:   The above text is excerpted from the Wikipedia article "Blister", which has been released under the GNU Free Documentation License.
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Health & Medicine News
February 20, 2017

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updated 12:56 pm ET