Definition of "Blister"
Last modified: 6 days
It's those things that you get on your leg, if you've put too much pressure on it. It appears as a spherical bump, with fluid inside.
So there's a vesicle or bulla. So it's classified based on the diameter. Vesicle is <5mm. Bulla is >5mm.
So some sort of irritation, whether it be friction, burning, freezing, chemical exposure, or infection.
Blister (from French "blestre" meaning "swelling"
is the visible accumulation of clear fluid in the upper layers of skin.
Patient information
What is a blister?It's those things that you get on your leg, if you've put too much pressure on it. It appears as a spherical bump, with fluid inside.
Classification
- Vesicle, is a spherical solid elevation, containing fluid. It's diameter is <5mm. The fluid contained is either serous fluid (protein and water) or pus (yellow inflammatory exudate)
- Bulla, is a vesicle that is >5-10mm
Source: Wikipedia
Patient information
What types of spherical bumps with fluid inside, are there?So there's a vesicle or bulla. So it's classified based on the diameter. Vesicle is <5mm. Bulla is >5mm.
Causes
- Friction
- Burning
- Freezing
- Chemical exposure
- Infection
Patient information
What causes spherical bumps with fluid inside?So some sort of irritation, whether it be friction, burning, freezing, chemical exposure, or infection.
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