Lymphatic System
WBCs are present in lymphoid system from there they travel to different organs via lymphatic vessels.
These lymphoid organs include:
- Spleen: Spleen is the hub of immune cells, where they work, and it is located at upper left side of abdomen.
- Thymus: Thymus is a gland where matured WBCs formed and known as lymphocytes mature, It is located below the breastbone.
- Bone marrow: – It is a soft red or yellow colour tissue located in the centre of the bone which is responsible for haematopoiesis i.e. formation of blood cells.
- Lymph nodes: – These are tiny glands that resemble beans that are found all over the body, but particularly in the neck, crotch, and stomach.
- Adenoids: – This the gland located in high throat and behind the nose.
- Tonsils: – These are associated with mucosal associated lymphoid system that plays a crucial role in defence against pathogens. These are located back side of the throat.
- Appendix: – These are associated with mucosal associated lymphoid system that plays a crucial role in defence against pathogens. It is gut associative lymphoid tissue.
Immunology
Immunology is the study of the immune system that consists of several types of immunity such as cell-mediated immunity and humoral immunity, diseases related to the immune system, and the physiological and biological functioning of the immune system. Edward Jenner is known as the “father of Immunology” because he developed first the smallpox vaccine in 1796.
Table of Content
- Definition of Immunology
- What is Immune System?
- Lymphatic system
- Cells of immune system
- Types of Immune System
- Disorders of Immune System
- Symptoms of Immune dysfunction
- Techniques of Immunology
- Applications of Immunology