Nursing Central is an 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 --
pl. antra [L. antrum fr. Gr. antron, cave]
A nearly closed cavity or chamber, esp. in a bone.
antral (an′trăl), adj.