Definition of anastomosis in English:



  • 1A cross-connection between adjacent channels, tubes, fibers, or other parts of a network.

    • ‘The anastomosis is completed by inserting the coupling member, with the graft vessel attached, into the anchor member.’
    • ‘The nutritional supply by a network of anastomoses of small caliber only may be an explanation for these findings.’
    1. 1.1Medicine A connection made surgically between adjacent blood vessels, parts of the intestine, or other channels of the body, or the operation in which this is constructed.
      • ‘After surgery, the patient developed leakage along the anastomosis that ultimately required four additional procedures, including the creation and take down of an ileostomy, during a seven-month period.’
      • ‘A period of starvation is common practice after gastrointestinal surgery during which an intestinal anastomosis has been formed.’
      • ‘The surgeon frees up the affected segment of the bowel, removes the diseased portion, and rejoins the proximal and distal edges with a surgical anastomosis whenever possible.’
      • ‘Evidence of a remote surgical anastomosis was noted.’
      • ‘Despite meticulous suturing, telescoping techniques, or covering the anastomosis with pedicles of vital tissues, dehiscence may still occur.’


Late 16th century: modern Latin, from Greek anastomōsis, from anastomoun provide with a mouth.