retraction

views updated Jun 08 2018

retraction (ri-trak-shŏn) n.
1. (in obstetrics) the quality of uterine muscle fibres remaining shortened after contracting during labour. This results in a gradual progression of the fetus downward through the pelvis. r. ring a depression in the uterine wall marking the junction between the actively contracting muscle fibres of the upper segment and the muscle fibres of the lower segment of the uterus. This depression is not always visible and is normal. Compare Bandl's ring.

2. (in dentistry) the drawing back of one or more teeth into a better position by an orthodontic appliance.

Retraction

views updated May 14 2018

RETRACTION

In the law ofdefamation, a formal recanting of the libelous or slanderous material.

Retraction is not a defense to defamation, but under certain circumstances, it is admissible in mitigation of damages.

cross-references

Libel and Slander.