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Glossary of Terms

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The process of identifying a disease by the signs and symptoms.


Muscle at the base of the chest cavity that contracts and relaxes during breathing.


Chromosomes are made of DNA, which is short for deoxyribonucleic acid. It is a nucleic acid molecule in the form of a twisted double strand (double helix). DNA is the substance that carries the instructions for nearly everything our cells do. Every time a... more


Department of Health (UK).

Drug resistance

The cells' ability to resist the effects of a specific drug.


Difficulty in swallowing.


Difficult or painful breathing; shortness of breath.


Difficult or painful urination.