serum; blood serum
Medical term for the clear liquid part of blood after clotting; used in contexts such as testing, therapy, and research.
Separate serum from the blood.
This test requires blood serum.
antiserum
serotype; serovar
serology
serum sickness
immune serum
From 血 (blood) and 清 (clear, pure), referring to the clear liquid separated from clotted blood.