serum JUST WRITTEN FOR YOU
/ˈsiɹəm/ · ser·um
noun
- The clear yellowish liquid obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot. The doctor drew a sample of serum from the patient's blood to run some tests.
- Blood serum from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual, called antiserum. The doctor administered the antiserum to the patient to prevent the spread of the disease.
- A watery liquid from animal tissue, especially one that moistens the surface of serous membranes or that is exuded by such membranes when they become inflamed, such as in edema or a blister. The doctor applied a serum to the patient's blister to promote healing and reduce inflammation.
Synonyms
Did you know? The term 'serum' is often used in the context of vaccines, where it is used to transfer immunity to another individual, protecting them from diseases such as rabies and tetanus.