Skip to Content


Pronunciation: re-jek'shun


  1. The immunologic response to incompatibility in a transplanted organ.
  2. A refusal to accept, recognize, or grant; a denial.
  3. Elimination of small ultrasonic echoes from display.

[L. rejectio, a throwing back]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.