The following points highlight the ten major types of central lymphoid organs. The types are: 1. Thymus 2. Bone Marrow 3. Lymph Nodes 4. Spleen 5. Mucosa Associated Lymphoid Tissue (MALT) 6. Cells of Lymphoreticular System 7. Delayed Type Hypersensitivity T (Tdh Cells) 8. B-Lymphocytes and Plasma Cells 9. Microphages 10. Major Histocompatibility (Complex) (MHC). Thymus: Thymus is a lymphoepitheial [...]
Essay on Vaccines! Essay on the Evolution of Vaccines: Over 200 years after Edward Jenner's discovery (1798) of small pox vaccination, mankind benefits from this process more than ever before. Several new vaccines were evolved and are now made available to eradicate many diseases e.g. Jenner's own first small pox vaccine has finally banished, in our time (1979), small pox [...]
In this article we will discuss about Transplantation:- 1. Meaning of Transplantation 2. Types of Transplant 3. Mechanism of Transplant Rejection 4. Tissue Typing 5. Prevention of Graft Rejection. Contents: Meaning of Transplantation Types of Transplant Mechanism of Transplant Rejection Tissue Typing Prevention of Graft Rejection 1. Meaning of Transplantation: Transplantation is a useful procedure in surgical repair or replacement [...]