Lecture 1 Flashcards
who saw larger microbes and developed concept of cells?
Robert hooke
who saw “animalcules” (start of micro)?
Antonie von Leenwenhoek
Pasteur disproved what origin theory?
spontaneous
what is other origin theory ?
biogenesis
study of microscopic life forms
microbiology
why microorg important?
first life forms on earth, earth’s largest and most diverse biomass, involved in almost all eco processes, continually interact with humans
person that showed yeast converts sugar into alcohol and heating foods to kill microorgs delays spoilage
Pasteur
person that came up with contagion hypothesis
Girolamo Fracastoro
Pasteur suggested ___ theory of disease
germ
person who experimentally proved germ theory by developing a set of criteria that must be fulfilled to show direct cause-effect of microbe and disease
Koch
4 steps that prove that a microbe causes disease called:
Koch’s Postulates
what are Koch’s postulates?
1) suspected org present in all cases of disease, absent from healthy
2) suspected org grown in pure culture
3) cells from pure culture cause disease in healthy animal
4) org should be reisolated and shown be same as original
this person found that mortality rates reduced if doctors wash hands
Semmelweis
this person found that one could greatly decrease incidence of post-surgical infection by sterilization of instruments
Lister
this person promoted hospital cleanliness as way to prevent infections and develop principles for Infection Control
Florence Nightingale
