avulsion

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avulsion

[ə′vəl·shən]
(hydrology)
A sudden change in the course of a stream by which a portion of land is cut off, as where a stream cuts across and forms an oxbow.
(medicine)
Tearing one part away from the other, either by trauma or surgery.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Care must be taken to avoid excessive traction during the enucleation phase in order to maintain hemostasis and to not prematurely avulse the fibroid.
When a patient pushes and is complete for 2+ hours, perineums are overstretched, pudendal nerve fibers avulse, and we have what prompted this letter.
Over time, foreshortened ULCs might buckle, collapse, or avulse, resulting in an asymmetric dorsum, an illusion of deviation, the potential for nasal valve compromise, and airway obstruction (figure 1).