Class Notes (785,637)
Canada (481,693)
Brock University (11,655)
Biology (1,588)
BIOL 2P05 (104)
Lecture

cause of disease.docx

1 Page
92 Views
Unlock Document

School
Brock University
Department
Biology
Course
BIOL 2P05
Professor
John Mitterer
Semester
Fall

Description
What is disease?  A disease is defined as a physical or mental disorder or malfunction with a characteristic set of signs or symptoms.  Diseases may be caused by a single factor such as a pathogenic microorganism or be multifactorial and have many causes some of which may depend on lifestyle. Pathogens  Pathogenic microorganisms include bacteria, viruses and fungi.  Each pathogen has a specific method by which it causes disease. Some such as the influenza virus damage host cells whereas others, such as Vibrio cholera produce toxins which have a harmful effect on the body.  The ability of the pathogen to cause disease depends on o Location - what tissue is colonised o Infectivity - how easily a bacterium can enter the host cell o Invasiveness - how easily a bacterium or its toxin spreads wit
More Less

Related notes for BIOL 2P05

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.

Submit