|
Pathogen - Wikipedia, the free encyclopedia
A pathogen (from Greek πάθος path' "suffering, passion", and γἰγνομαι (γεν-) gignomai (gen-) "I give birth to" ), infectious agent , or (more commonly) germ , is a biological agent that caus...
en.wikipedia.org/wiki/Pathogen |
|||
|
Pathogenic bacteria - Wikipedia, the free encyclopedia
Pathogenic bacteria are bacteria that cause infectious diseases. This article deals with human pathogenic bacteria. Although the vast majority of bacteria are harmless or beneficial, quite a few bact...
en.wikipedia.org/wiki/Pathogenic_bacteria |
|||
|
|
|||
|
|||
|
A microorganism that affects the human host sufficiently to cause disease or death is called a "pathogen." Not all parasites, for example, are pathogens, and not all pathogens have a parasitic origin. An example of a non-parasitic pathogen is Clostridium botulinum. ... Herpes virus - types I and II (cold sores,
|
|||
|
Bacterial growth, however, is not mandatory to cause disease. For example, some bacterial pathogens cause disease by virtue of a toxic component of the bacterial cell such as lipopolysaccharide.
|
|||
|
Many different types of organisms may cause disease, but they fall into four main groups. The Table which follows summarises the characteristics of each of these groups of pathogenic organisms. TABLE OF PATHOGENIC ORGANISMS ... Pathogens can cause disease in a number of different ways.
|
|||
|
Microbes include viruses, bacteria, fungi and parasites, which can cause disease when our immune system can't fight them off. ... Microorganisms and other disease-causing organisms, pathogens, come in five different types: bacteria, fungi, protozoa, helminths, and viruses.
|
|||
|
How pathogens cause disease - the role of the host: genetic traits other than sickle cell disease ... There are two types of twins: identical (or monozygotic) twins arise from a single egg and are essentially identical genetically while non-identical (dizygotic) twins arise from fertilisation of different eggs.
|
Copyright © 2009, Dictionary.com, LLC. All rights reserved.