The fluid contained inside a blister, typically clear or barely yellowish, is called serum. It’s a part of blood plasma and is basically filtered fluid that leaks into the area between pores and skin layers because of friction, burns, or different types of trauma. This fluid serves a protecting perform, cushioning the broken tissue and facilitating the therapeutic course of.
The serum present in blisters is primarily composed of water, electrolytes, proteins, and antibodies. These parts play a significant position within the physique’s pure therapeutic mechanisms. The fluid’s composition helps to take care of a moist setting conducive to cell regeneration and prevents an infection by offering a barrier towards exterior contaminants. Nonetheless, the presence of potential contaminants throughout the blister, whether or not from the pores and skin’s floor or launched by means of a break within the blister’s integrity, raises issues about security.