Change Text Size
| Register
Search video content

Glossary of Terms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All

Diagnosis/Diagnostic

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

Diaphragm

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

DNA

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

DOH

Department of Health (UK).

Drug resistance

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

Dysphagia

Difficulty in swallowing.

Dyspnea

Difficult or painful breathing; shortness of breath.

Dysuria

Difficult or painful urination.