Immunoglobulin G and Immunoglobulin

Immunoglobulin G noun - One of the five major classes of immunoglobulins; the main antibody defense against bacteria.

Immunoglobulin and immunoglobulin G are semantically related. In some cases you can use "Immunoglobulin" instead a noun phrase "Immunoglobulin G".

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

Immunoglobulin G and immunoglobulin are semantically related. Sometimes you can replace phrase "Immunoglobulin G" with "Immunoglobulin", this terms are similar.