| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | lidocaine | Indigenous cultures of the Amazon rainforest | Derived from a natural source, commonly used in traditional medicine for pain relief and healing. | 1 |
| 2 | lidocaine | Indigenous tribes in the Amazon rainforest | Harvested from the bark of specific trees and used as a traditional pain-relieving remedy. | 1 |