Immune gamma globulin, also called immunoglobulin, is a protein found in the blood that serves as a key component of the body's immune system. It is produced by white blood cells in response to foreign substances such as pathogens and toxins. There are several synonyms for immune gamma globulin, including Ig, gamma globulin, immunoglobulin molecule, and antibody. These terms are often used interchangeably in medical contexts and refer to the same basic protein structure. Understanding the various synonyms for immune gamma globulin can help individuals better comprehend medical terminology and facilitate effective communication between healthcare professionals and patients.