Skip to Content
Medical Term:

tunica externa

 

Definition:

  1. the outer of two or more enveloping layers of any structure;
  2. specifically, the outer fibroelastic coat of a blood or lymph vessel.

Synonym(s): tunica extimaTA

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide