Essays on Immune System

B cell is a type of lymph cell that is the footing for the bodys humoral immune system ; it is produced from the root cell in the bone marrow ( Darling, 2010 ) . On its production a ego regenerating haematopoietic root cells produces lymphoid and myeloid primogenitor. Looking chiefly at lymphoid primogenitor, it…

Antibodies function as mediators of specific humoral immunity by engaging diverse molecular and cellular effector mechanisms that serve to eliminate the antigen. They are produced by B lymphocytes and plasma cells in the lymphoid organs and the bone marrow, but they perform their effector functions at sites distant from their production. Like the T cell…

John Frelinger Dr. Travis Organic Evolution 30 April 2012 Evolution of the Immune System Animals are constantly bombarded by an immensely varied array of disease causing pathogens including bacteria, fungi, viruses and other parasites. The number of microbes living in the human body outnumber the actual human cells by a factor of 10, and for…

Edward Jennet invented the first vaccine, which was for the smallpox virus. (Google timeline) Centuries later, we now have a very large amount of vaccines that have been created with the purpose of protecting the human race from infectious diseases. The question is, how effective are these vaccines? Are they more beneficial or harmful to…

Introduction Multiple Sclerosis is one of the most widespread neurological diseases. This disorder mostly affects people of age from 20 to 50 years. On areas with temperate climate it is spread much more than in countries with tropical climate. Along with temperate-tropical climate division there is west-east division. Nobody knows the reason of such expansion just…

Multiple signifiers of leukaemia are present in today’s kids. The four major signifiers of childhood leukaemia include Acute Lymphocytic Leukemia. Chronic Lymphocytic Leukemia. Acute Myelogenous Leukemia. and Chronic Myelogenous Leukemia. Acute Myelogenous Leukemia ( AML ) is malignant neoplastic disease of the bone and bone marrow ( “Acute Myelogenous Leukemia” 1 ) . Compared to…

Definition of Pathogen and research into the main features of bacteria, protozoa, fungi and viruses. Pathogens, or infectious agents, are microorganisms that cause disease or illness to their host. There are divided into four groups; bacteria, protozoa, fungi and viruses. The term pathogen most often describes an organism that disrupts the normal physiology of a…

Abstract Generally, anaphylactic shock is characterized by an explosive overreaction of the immune system to a triggering event- which can include bee stings, insect bites, peanuts, eggs, drugs given to the body, and others. Derived from the Greek word “ana” or without and “phylaxis” without, the body’s immunity is severely compromised and affects multiple body…

Rheumatoid Arthritis or (RA) is an autoimmune disease that attacks the joints and connective tissue. The result is inflammation that produces permanent damage in the joints. Rheumatoid arthritis is a chronic syndrome that tends to be progressive and destructive as compared to Osteoarthritis or (OA), which is more of an age related disease caused by…

Arthritis Essay, Research Paper Arthritis is a general term for about 100 diseases that produce either INFLAMMATION of connective tissues, peculiarly in articulations, or noninflammatory devolution of these tissues. The word means “ joint redness, ” but because other constructions are besides affected, the diseases are frequently called connective tissue diseases. The footings rheumatism and…