病原生物学
Medical Microbiology and Parasitology
Medical Microbiology
Xiao-Kui GUO(
郭晓奎)
Dept. of medical Microbiology and Parasitology E.mail: [email protected]
Introduction
Microorganisms(Microbes)
Microbiology
What is Microorganisms
Microorganisms are creatures that are not
directly visible to the unaided eye, with dramatical biologic diversity.
Viruses , bacteria, fungi, protozoa and some
algae are all in this category
Distribution of microorganisms
Air
Soil
Water
Animals
Microorganisms and Human Beings
Beneficial activities: Most microbes are of
benefit to human beings, some are
necessary( nitrogen, carbon cycles, etc)
Harmful activities: A portion of microbes
Microbiology
Microbiology is the biology of
microorganisms. It is a bioscience for the
study of the evolution, Classification ,
morphology, physiology, genetics, ecology
of microbes under certain definite
History of Microbiology
Experience phase
经验时期
Experimental phase
实验时期
Experimental phase
Leeuwenhoek Pastur
Koch
Koch’s postulates
The microbe must be found in the body in all
cases of the disease
It must be isolated from a case and grown in a
series of pure culture in vitro
It reproduce the disease on the inoculation of a
late pure culture into a susceptible animal
The microbe must be isolated again into pure
Medical Microbiology
The medical microbiology is one of the essential
basic sciences for medine. It is the study of
Biological characteristics of microorganisms and their relationships with human hosts
Medical Bacteriology Medical Viriology
Purpose for learning of Medical Microbiology