Chapter-19 Immunochemistry

BOOK TITLE: Essentials of Nutrition and Biochemistry for Basic BSc Nursing

1. Clement I
Publishing Year
Author Affiliations
1. RV College of Nursing, Bengaluru, Karnataka, India; Columbia College of Nursing, VSS College of Nursing, Bengaluru, Karnataka, India; Rajiv Gandhi University of Health Sciences, Bengaluru, Karnataka, India; Christian Medical Association of India, New Delhi, Indian Society of Psychiatric Nursing, Bengaluru, Medical Surgical Nursing Society of ndia, Chennai; Indian Society of Neuroscience Nursing, New Delhi; Asian Association of Cardiac Nurses, Kolkata, West Bengal, India; Indian Red Cross Society, Bengaluru, St. Johns Ambulance Association, Bengaluru; National Editorial Advisory Board, New Delhi, Nurses of India (Former) Bengaluru
Chapter keywords
Immunochemistry, immune system, lymphoid system, cell, macrophage, immune response, immunity, antigen, antibody, lens protein, human leukocyte antigen


Immunology is a science that deals with the study of protection of the body from invasion by disease producing microorganisms. This state of protection of the body is called immunity. It is result of normally functioning immune system which is highly efficient but complex. This chapter covers the historical perspectives, structure and functions of immune system, lymphoid system, cells of immune system, macrophages, major histocompatibility, immune response, immunity, antigen, antibodies, enzyme-linked immunosorbent assay, lens proteins, human leukocyte antigens, and specialized proteins. Lymphoid system consists of lymphoid organs and lymphoid cells. Lymphoid organs are classified based on their function into central (primary) lymphoid organs and peripheral (secondary) lymphoid organs. Major histocompatibility (MHC) is also known as human leukocyte antigen (HLA) complex. It is a collection of genes arrayed within a long continuous stretch of DNA on chromosome 6 in humans.

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