Glossary
Antibody – A substance produced by the white blood cells that helps to fight against infection and foreign substances. It also plays a role in allergic reactions and autoimmune diseases.ESR (Erythrocyte Sedimentation Rate) – It is a blood test that indicates presence of inflammation in the body.
Lumen – The inner cavity of an organ or blood vessel.
Nasal Sinus – Air filled cavity within the facial bones or the skull that connects to the nose.
