Glossary

bile duct – a tube that carries bile from the liver to the gallbladder and then to the small intestine biopsy: taking a small sample of body tissue for examination and testing in the laboratory

macrophage – large white blood cell that engulfs or ‘eats’ infectious organisms and waste material from dead cells.

PrEP (Pre-Exposure Prophylaxis) – using HIV drugs before sex (and after) to stop the chance of infection.

• UK guide to UK – a 24-page i-Base guide covering PrEP in detail.
  How to use PrEP. Buying PrEP online. Essential monitoring tests. Dosing options including both daily and on-demend dosing. Getting PrEP in the UK. Tips for adherence. Links for further information.
• PrEP in Scotland – New version of the PrEP guide for people in Scotland, where PrEP is available on the NHS.
• Pocket guide to PrEP – easy guide on PrEP and how to use it.
• Buying generic PrEP online. Q&A on buying generic PrEP in the UK.
• Reports and articles about all aspects of PrEP. Includes updates on access to PrEP in the UK and latest research into new drugs.

gastrointestinal tract (or GI tract) is where we digest our food. It is a long tube that runs from the mouth to the anus. The gastrointestinal tract begins with the mouth and then becomes the oesophagus (food pipe), stomach, duodenum, small intestine, large intestine (colon), rectum and, finally, the anus. It is also called the GI tract.

oesophagus – part of the gut between the throat and the stomach.