The immune system is an essential component of the body’s defence against attack. The bodies of MAMMALS have a series of mechanisms to deal with attacks upon them: (1) the body is enclosed in SKIN, a protective (and sensate) layer, and is able to...

The immune system is the body's biological defense mechanism that protects against foreign invaders. Only in the last century have the components of that system and the ways in which they work been discovered, and more remains to be clarified. The true...

Immunochemistry is the study of the chemistry of immune responses. An immune response is a reaction caused by the invasion of the body by an antigen. An antigen is a foreign substance that enters the body and stimulates various defensive responses. The...

Immunogenetics is the study of the mechanisms of autoimmune diseases, tolerance in organ transplantation, and immunity to infectious diseases--with a special emphasis on the role of the genetic make-up of an organism in these processes. The immune...

An immune system is a collection of mechanisms within an organism that protects against disease by identifying and killing pathogens and tumor cells. It detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish them...

For many years, scientists have known that famine breeds serious epidemics. Each major famine has been accompanied by a variety of infections from typhus to tuberculosis. When people are severely undernourished, they will inevitably be decimated by bacterial and viral infections. Under conditions...

My father practiced medicine in Los Angeles for 65 years, retiring when he was more than 91. He always advised smoking patients to quit--decades before any surgeon general's warnings appeared on cigarette packs. He told of one likable furniture salesman: "Whenever I...

Two University of Oklahoma scientists are starting research that they hope will someday lead to the development of a vaccine to combat the HIV virus, which causes AIDS.The research to be performed by Mark Lang, an assistant professor of microbiology and immunology at the OU...

Two Baylor College of Medicine researchers in Houston are working on a cocaine vaccine they hope will become the first-ever medication to treat people hooked on the drug. "For people who have a desire to stop using, the vaccine should be very useful," said Dr....

The following provides an outline on the immune system.

Essay examines the different types of immunities.