serum albumin noun

An albumin (or combination of albumins) that makes up more than half the protein in blood plasma and maintains the osmotic pressure of the blood

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-)