Compound microscope, London, England, 1863-1866
Related Themes and Topics
A sudden widespread occurance of an infection with high numbers of people affected.
A severe infection of the small intestine commonly contracted through eating or drinking contaminated food or water. Causes severe vomiting and diarrhoea, leading to dehydration, which can be fatal.
Micro-organisms which can cause disease but have an important role in global ecology.
Glossary: compound microscope
Microscope with multiple optical elements (lenses/mirrors). It has two microscopes in series, the first serving as the ocular lens (close to the eye) and the second serving as the objective lens (close to the object to be viewed).
Glossary: germ theory
The theory that germs cause disease, often by infection through the air. The germ theory was formally proven by Robert Koch in 1875.