Pathogen-Host Interaction

Question	Answer
Agent	Organism that causes disease in the host
Host	Organism in which infection takes place
Colonisation	Where agent is present but not causing infection
Infection depends on 2 things	Pathogen Virulity and Host Immunity
Primary Pathogen	Can cause infection in healthy host
Opportunistic Infection	Can only cause infection in immunocompromised host
Compliment Effect/ Oponisation	Compliment proteins binds to bacteria and make it visible to neutraphils
Exotoxin	Toxin released during bacterial life cycle
Endotoxin	Toxin released as bacterial cell wall is broken down
Virulence Factor	Molecules secreted/expressed by bacteria that allow them to better infect the host
Source	Where infectious agent is first obtained i.e. another person, water...
Resevoir	Area outside of host where agent can propagate freely
Portal of Exit	How agent leaves source
Portal of entry	How agent enters host

Resource summary

	Created by gina_evans0312 over 10 years ago