external traction n.
A pulling force created by using fixed anchorage outside the oral cavity.
- External urethral opening
external urethral opening n.
- External urethrotomy
external urethrotomy n. A urethrotomy via an external opening in the perineum or penile skin.
- External version
external version n. Version of a fetus performed by external manipulation with both hands.
[ek-sturn-ship] /ˈɛk stɜrnˌʃɪp/ noun 1. a required period of supervised practice done off campus or away from one’s affiliated institution: The young doctor served six months of externship at a nearby clinic.