frottis buccal

CONT: Le frottis buccal consiste à prélever des cellules au niveau de l'épithélium oral dans le but de les observer et de déterminer leur structure [...]

CONT: If a DNA profile is recovered from crime scene evidence, it is typically necessary to collect reference samples from suspects and victims, for comparison purposes. The preferred form of a reference sample is a buccal (buccal is Latin for cheek) or oral swab. Buccal cells are found inside the mouth, lining the cheeks. ... a buccal swab must be collected, handled, and stored properly.