definitions of key terms.

topic 1, key terms you need for the exam.

HideShow resource information
  • Created by: Charlotte
  • Created on: 30-03-11 13:00
Preview of definitions of key terms.

First 85 words of the document:

Infection ­ When micro organisms get past the external barriers
Disease ­ When an infection has a negative consequence
Pathogen ­ A micro organism that causes disease
Sign- the visible features of a disease
Symptom ­ the non visible features felt by the sufferer
Incubation period ­ Time between infection and signs/ symptoms
Epidemic ­ Widespread outbreak of disease
Pandemic ­ international widespread outbreak
Transmission ­ passing the pathogen to another individual
Carrier ­ carrying the pathogen without suffering the signs or symptoms


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »