Classification of Bacteria
It is difficult to classify all bacteria into clear-cut categories. Various classification methods are used, depending in part, on the purpose. Nomenclature Bacteria are given 2 names (usually Latin)…
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Eukaryotes vs. Prokaryotes
Property Prokaryotic Bacterial Cells Eukaryotic Human Cells DNA within a nuclear membrane No Yes Number of chromosomes 1 More than 1 Mechanism of Replication Binary Fission Mitosis Presence of…
Read More →Bacterial Classification and Structure
Learning Objectives: You should be able to: describe the major differences between eukaryotic and prokaryotic cells and explain why it is important to know the differences. use bacterial nomenclature properly.…
Read More →Infective Syndromes
The study and diagnosis of infectious diseases is approached from an organ system perspective. Upper and Lower Respiratory Tracts Gastrointestinal Tract Urinary Tract Genital Tract Central Nervous System Skin and…
Read More →Immunity and Immunization
A. Observations of “acquired immunity” to diseases and primitive vaccination practices contributed to our understanding of the immune response to infectious agents and the design of passive and active immunization…
Read More →Other microorganisms as causative agents of disease
Relative sizes of microorganisms: Protozoa > Red Blood cell > Yeast > Bacteria > Mycoplasma > Viruses Fungi 1. David Gruby (1841-1845) identified yeast infections as the cause of thrush…
Read More →Microorganisms and Their Human Hosts
Most microorganisms are not pathogenic for humans. Commensal microorganisms (mostly bacteria) make up the normal flora of the human body; they are generally harmless and actually protect the host from…
Read More →Introduction to Infectious Disease
Learning Objectives: You should be able to: describe the relative impact of infectious diseases on human health and morbidity, and the effects they can have on human behavior and society,…
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