immune serum globulin vs immunoglobulin

immune serum globulin and immunoglobulin both are nouns.

Word	Noun	Adjective	Verb	Adverb
immune serum globulin	Yes	No	No	No
immunoglobulin	Yes	No	No	No

As nouns, immune serum globulin and immunoglobulin are synonyms defined as:

immune serum globulin and immunoglobulin: a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response

Other synonyms of immune serum globulin include Ig, immune gamma globulin, immune globulin.

immune serum globulin (noun)	immunoglobulin (noun)
a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response	a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response