Bullae
Bullae
Bullae (pronounced: boo-lay) are large, fluid-filled blisters that appear on the surface of the skin. They are a common symptom in various skin conditions and lung diseases.
Etymology
The term 'Bullae' is derived from the Latin word 'Bulla', which means 'a bubble, stud or knob'. It was first used in medical terminology to describe a large blister that is usually filled with fluid.
Definition
A Bulla (singular of Bullae) is a blister that is more than 5 mm (about 3/16 inch) in diameter with thin walls that is full of fluid. Bullae are a symptom of many different skin conditions, and can also appear in the lungs due to certain diseases.
Related Terms
- Dermatology: The branch of medicine dealing with the skin and its diseases.
- Blister: A small bubble on the skin filled with serum and caused by friction, burning, or other damage.
- Pustule: A small blister or pimple on the skin containing pus.
- Vesicle: A small fluid-filled blister on the skin.
- Pemphigus: A rare group of blistering autoimmune diseases that affect the skin and mucous membranes.
- Emphysema: A lung condition that causes shortness of breath. In people with emphysema, the air sacs in the lungs (alveoli) are damaged, which can lead to the formation of bullae in the lungs.
See Also
External links
- Medical encyclopedia article on Bullae
- Wikipedia's article - Bullae
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