serum globulin noun

A globulin (or combination of globulins) containing most of the antibodies in blood plasma

serum hepatitis noun

A virus infection of the liver, usu transmitted by transfusion of infected blood or use of contaminated instruments, esp needles, consequently often occurring in drug addicts

serum sickness noun

A hypersensitivity reaction that sometimes occurs after injection of foreign serum, with fever, rashes, and enlargement of the lymph nodes

serum therapy noun

Serotherapy (see under sero-)