DNA Testing Glossary
- Buccal Swab
- The word buccal refers to a person’s cheek, and buccal swabbing simply means to rub the inside of the mouth in the cheek area to collect loose cells for analysis. The collection device, or swab, generally looks like a large Q-Tip. Buccal swabbing is a common method for collecting DNA for analysis and determining paternity or other biological relationships.