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In law, a situation in which the amount of land on a property increases or decreases due to a sudden (not a gradual) action of water. For example, a flood changing the course of a river may result in avulsion. Depending on the laws of the jurisdiction in which it occurs, an avulsion may or may not change property lines or even government borders.


A sudden and perceptible loss or addition to property as a result of the action of water either taking soil from one property and leaving it on another,or by virtue of a river or other running water changing the course of its bed.The rule is that boundary lines described with reference to the midpoint of the stream will remain at the midpoint of the old stream, and not the midpoint of the new stream. This is because of the sudden nature of the change, so that people may reasonably notice and mark the location of the old stream bed as a matter of reference.

References in periodicals archive ?
Experimental and clinical study of contralateral C7 nerve transfer to lower trunk for the treatment of total root avulsion of the brachial plexus (in Chinese).
Structural properties of the intact proximal hamstring origin and evaluation of varying avulsion repair techniques: an in vitro biomechanical analysis.
Knowledge of physicians in hospital emergency rooms in Israel on their role in case of avulsion of permanent incisors.
Restoration of shoulder abduction by nerve transfer in avulsion brachial plexus injury: evaluation of 99 patients with various nerve transfers.
These tender areas are believed to be areas of nerve root avulsion or constriction, for some other reason than the bony neuroforaminal stenosis, as is seen in most other patients.
Thoma, "Management of digital tendon avulsion at the musculotendinous junction of the forearm: a systematic review, " Hand, vol.
Endourologic management of complete avulsion of the UPJ has not been previously reported to our knowledge.
DISCUSSION: Tibial spine avulsion has been equated to midsubstance rupture of cruciate ligament by many authors as the subchondral bone fails and elongation of ligaments occur.
This extensive reliance on the natural law dates back to Roman times, where the laws of alluvion and avulsion were part of the natural law as defined by Gaius and Justinian in their respective Institutes.
He found that over 60% of the respondents indicated that it was "very urgent" to seek professional assistance for cases of permanent tooth avulsions.
In 1995, Sataloff et al reported a case of misdiagnosed vocal fold avulsion in a patient who had sustained a clothesline-type injury.
Two nerve transfers, the radial to axillary and spinal accessory to the suprascapular, are currently used to restore shoulder stabilization and abduction in upper plexus avulsions.