Skip to Content


Pronunciation: ă-nas′tō-mō′sis, -sez


  1. A natural communication, direct or indirect, between two blood vessels or other tubular structures.
  2. An operative union of two structures (vessels, ureters, nerves).
  3. An opening created by surgery, trauma, or disease between two or more normally separate spaces or organs.

See: communication

[G. anastomōsis, from anastomoō, to furnish with a mouth]

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.