Medical fluids

Sure, I can explain the answer “SERA” in relation to medical fluids. “SERA” is the plural of the word “serum.” Serum is a clear, straw-colored fluid that can be derived from blood when the cells and clotting factors are removed. It contains various proteins, hormones, electrolytes, and other important substances that are essential for the proper functioning of the body.

In medicine, serum is commonly used in a variety of diagnostic and therapeutic procedures. For instance, serum can be tested in the laboratory to detect various diseases or infections, such as hepatitis, HIV, or Lyme disease. It can also be used to monitor the effectiveness of certain medications, such as chemotherapy or immunosuppressive drugs. Additionally, serum can be used to replace fluids lost during surgery, trauma, or severe dehydration.

Overall, “SERA” is a popular answer for the crossword clue “Medical fluids” due to its widespread use in various medical contexts.