Etiology

Definition

Etiology is the study of the cause or origin of a disease. In microbiology, it focuses on identifying the specific microorganisms responsible for infections.

5 Must Know Facts For Your Next Test

1. Etiology involves determining the exact pathogen that causes a disease.
2. It is crucial for developing effective treatments and preventive measures.
3. Koch's postulates are a set of criteria used to establish etiology.
4. Etiological research often includes epidemiological studies to track disease patterns.
5. Understanding etiology helps in distinguishing between different types of infectious agents, such as bacteria, viruses, fungi, and parasites.

Review Questions

• What is the primary focus of etiology in microbiology?
• Why are Koch's postulates important in establishing etiology?
• How does understanding etiology aid in disease prevention and treatment?

Related terms

Pathogen:

An organism that causes disease.

Epidemiology:

The study of how diseases spread and can be controlled.

Infectious Agent: A microorganism that can cause an infection or disease.