Glossary
A
- Anoxia
- Reduced oxygen levels in the tissues.
- Anterior
- Situated nearer to the front part of the body.
- Anthrax
- An infectious disease caused by the spore-forming bacterium bacillus anthracis. It can occur in three forms.
- Antibiotics
- Anti-bacterial drugs.
- Antibodies Antibody
- A protein that is involved in the destruction of disease-causing agents. The human body is capable of generating over a trillion different antibodies.
- Antigen
- Any substance capable of stimulating the production of antibodies.
- Aorta
- The main artery supplying oxygen-rich blood to the body; largest artery in the body.
- Apnea Apnoea
- Temporary cessation of breathing.
- Areola
- The pigmented area surrounding the nipple.
- Arrhythmia
- Abnormal heart rhythm.

