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.
References in periodicals archive ?
Treatment of a patient with an avulsion fracture associated with an ulnar collateral ligament injury is a source of controversy in the literature.
In one study, 16 of 18 patients with biceps avulsions or avulsion fractures of the fibula demonstrated anterior displacement of the peroneal nerve.
Taras and colleagues hypothesized several possible factors: a higher percentage of crushing or avulsion injuries in this age group, a more aggressive attitude toward replantation with more extensively damaged digits replanted, higher technical difficulty due to smaller vessels, and a greater degree of vasospasm due to increased sympathetic tone and anxiety.
Immediate intracanal placement of Ledermix paste at the emergency visit after an avulsion injury appears to decrease resorption and increase favorable healing.
Microvascular management of ring avulsion injuries.
Table 2 shows a positive association between facial fracture and gender, age, dentoalveolar injury, alveolar fracture, teeth fractures, avulsion and intraoral soft tissue injury.
When discussing proximal hamstring injuries, one must also consider apophyseal avulsions of the ischial tuberosity.
A Perthes lesion is another Bankart variant in which there is an incomplete avulsion of the anteroinferior labrum with a medially stripped but intact periosteum.
Fracture of the clavicle with avulsion of the coracoid plaque: apropos of 2 cases.
48,49) Pathology can range from enthesopathy of the adductor tendon to frank avulsion of the tendon origin, although acute avulsion of the adductor longus enthesis is rare.
Kei's injuries included nail bed avulsions and lacerations on the pad of his left, hind paw.
Avulsions need to be replanted urgently and the extra-alveolar period should not exceed 30 minutes in order to maximise the long term prognosis of the tooth.