'Notes on Infectious Diseases'

'An morbific Disease ¦ Is a illness that is stupefyd by the Invasion of a phalanx by agents whose activities harm the hosts interweaves (That is, they run disease) and can be transmitted to former(a) individuals (that is, they ar infected).\n\nPathogens: Microorganisms that atomic number 18 capable of create disease. Most microorganisms do not trend disease. many probably provide some(prenominal)(prenominal) protection against pernicious microorganisms be try thyme effectively make out with the harmful organisms. \n\n finish off case scenario, both contagious and virulent. \n\nIn order to cause disease, pathogens must be able to fancy the host dead body. They must adhere to particular proposition host cells, assail and colonize host tissues, and inflict suffering on those tissues. whatsoever do ruin at their get of entry, some others travel to other parts of the host. few reside and rise up in body fluids like tear or lymph, amid cells of the body tissues or interior cells.\n\nMicrobes that fix Infectious Diseases: thither argon 4 major types of infectious agents:\n: bacterium\n: Viruses \n: kingdom Fungi\n: Parasites\n: Protozoa\n: Helminths\n\nbacteria:\n:bacteria are unicellular prokaryotic organsims with no create internal membranous bodily structures. Their genomes are circular, double-stranded DNA. \n\nBacteria come in many shapes \n: bacillus (rod shaped)\n:coccus (spherical) (strep throat)\n:spirilla (helical rods) \n\nBacteria cause disease in a diverseness of ship canal:\n:Bacteria can injury cells and disrupt tissue function as they grow\n:Many bacteria give rise toxins\n\nVIRUSES\n: Microbiologist have order viruses that infect all told organisms, from plants and animals to fungi and bacteria.\n\nViruses, however, are not straight organsims themselves. \n-they have no metabolism and cannot breed\n\nViral structure varies\n\nAdenovirus- causes cold\n flu virus- cause flu\n\nViruses cause disease by disrupti ng chemical formula cell function..\n-They do this in a variety of ways\n-Unlike most bacteria (not all), viruses act inside cells)\n\nBacteria is treat...'