HLTB21H3 Chapter Notes - Chapter 1: Electron Microscope, Legionella, Parasitism
Document Summary
Infection resulted from aspiration of bacteria ( called legionella) (tss) toxic shock syndrome: is a gender specific disease. The influence of disease on history has often been neglected because they appeared to be few hard and fast lessons to be learned from a reading of the past. We live in a day and age where disease appear to have minimal effects: children are immunized, effective drugs. Parasites come from the latin word parasitus meaning food. Germs that caused the disease are called parasites. Parasitism is he intimate association of two different kinds of organisms (species) where one benefits (the parasite) at the expense of the other (host)- parasite harm their host. Virus: they are composed of a fragment of genetic material wrapped in protein for it to reproduce, it must enter a living cell and use the cellular machinery to replicate itself. 1 cell- bacteria, fungi, protozoa; multi cell- roundworms, flies, ticks.
