Gamma globulin and Immune gamma globulin

Gamma globulin noun - A plasma protein containing the immunoglobulins that are responsible for immune responses.

Immune gamma globulin and gamma globulin are semantically related. In some cases you can replace phrase "Immune gamma globulin" with "Gamma globulin", this phrases are similar.

Immune gamma globulin noun - A class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response.

Gamma globulin and immune gamma globulin are semantically related. You can use "Gamma globulin" instead a noun phrase "Immune gamma globulin".