A fraction of serum globulin that is soluble in pure water and in saline solutions of low ionic strength.
Origin
Early 20th century; earliest use found in The Lancet. After German Pseudoglobulin (F. Hofmeister 1899: see Zeitschr. f. physiol. Chemical 31 140, Beiträge zur chemical Physiol. u. Pathol. 361).