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## Introduction to Microbiology Please complete the definition of terms. These will be used in sessions moving forward to feel comfortable with these terms. | Term | Definition | Example | |---|---|---| | New infection | Illness bought on by a pathogen that has not been seen before | New strain of...

## Introduction to Microbiology Please complete the definition of terms. These will be used in sessions moving forward to feel comfortable with these terms. | Term | Definition | Example | |---|---|---| | New infection | Illness bought on by a pathogen that has not been seen before | New strain of influenza virus. | | 'Old' infection | Well known disease | Rabies | | Re-emerging infections | Diseases that are re-emerging but had been controlled. | Measles | | Pathogenesis | The development of a disease | Flu | | Prokaryotes | Single celled organism | Bacteria | | Eukaryotes | Organisms that contain a nucleus enclosed within membranes | Animals, plants, fungi, protozoans and algae. | | Commensal | Organism that live in or on another organism without harming it. | Normal gut flora | | Obligates aerobes | Require oxygen to live | Micobacterium tuberculosis | | Facultative anaerobes | Can grow with or without oxygen | Escherichia coli | | Obligate anaerobes | Cannot live in the presence of oxygen | Clostridium botulinum | | Metabolites | Waste product produced by bacteria as they grown and eat. | Streptococcus Mutans (demineralises enamel) | | Enzymes | Form of catalysts which bacteria use to breakdown materials. | Amylaze (breaks down starch to sugars) | | Endotoxin | A toxin present inside a a bacterial cell that is released when it dies. | Lipopolysaccharide from Gram-negative bacteria. | | Exotoxin | Atoxin released into surroundings by a living bacterial cell. | Tetanus toxin Neurotoxin |