What does "Serous fluid" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Serous fluid is a thin, clear or slightly yellow liquid that is produced by certain tissues and organs in the body. It's similar to the fluid in a blister and is often found in areas surrounding the heart, lungs, and abdominal cavity. This fluid serves as a lubricant, reducing friction between moving parts in the body. It also helps to protect and nourish these areas.
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