Nursing Central is the award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:
-- The first section of this topic is shown below --
[L. extractio, a drawing out]
1. Surgical removal, as of a tooth.
2. The removal of the active portion of a drug from its vehicle.