Defence Against Pathogens Barriers, Enzymes and the Immune System

Defence Against Pathogens Barriers, Enzymes and the Immune System [Pg.375]

This combination of an apparently infinite range of antibody specificity associated with what appeared to be a nearly homogenous group of proteins astonished me and still does. [Pg.375]

Louis Pasteur (1822-1895) established that some diseases are caused by microorganisms and not, as was thought to be the case at the time, by miasmas, evil spirits or divine intervention. Despite the scepticism of physicians, as illustrated above, Pasteur s work inspired a British surgeon, Joseph Lister, to introduce antiseptic methods into surgery in order to prevent wound infection. In March 1865, he operated for the first time using an antiseptic, carbolic acid (phenol). There were no infections after the surgery - a rare occurrence at that time. [Pg.375]

The human body is an excellent habitat for numerous pathogens and parasites. There are two elaborate defence [Pg.375]

A pathogen is defined as a living organism or virus which causes disease. It is broader than the term microorganism, which excludes multicellular parasites and, in some definitions, also viruses which, strictly, are not living. [Pg.375]

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