GMED1000 Lecture Notes - Lecture 6: Microorganism, Dental Plaque, Glycocalyx

51 views1 pages

Document Summary

Must overcome host defenses (immune system, skin, normal flora. Invasive phase: identifiable disease with dramatic increase in microbes (may continue to death) Decline phase: reduction of microbes (immune response and/or treatment. Traits that give the microbe the ability to cause disease. Not every strain of the same organism will have the same virulence factors. Toxins can kill host cells and cause vomiting and diarrhea. Production of haemolysins (can be toxic to host tissue) Endotoxins from gram neg cell walls, released when cell dies and wall breaks up. Exotoxins from predominantly gram pos organisms, protein exotoxin synthesized and secreted by living organism. Can be detected in the lab on blood containing media. Beta: completely clear zone around colonies (i. e no red) Within the body is toxic to a variety of cells, e. g. leucocytes, alveolar lung tissue and endothelial cells. Biofilms found on wet surfaces, e. g. teeth, contact lenses, water pipes.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions