immune serum globulin vs Ig

immune serum globulin and Ig both are nouns.

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

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

immune serum globulin and Ig: 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 immune gamma globulin, immune globulin, immunoglobulin.

immune serum globulin (noun)	Ig (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