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avulsion

The detachment of a tooth from its socket due to trauma. It may be complete or partial. A completely avulsed tooth may be reimplanted. Prior to reimplantation, the root surface should not ...

avulsion

avulsion   Quick reference

A Dictionary of Biomedicine (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

...avulsion Tearing away....

avulsion

avulsion n.   Quick reference

A Dictionary of Nursing (8 ed.)

Reference type:
Subject Reference
Current Version:
2021
Subject:
Medicine and health
Length:
15 words

... [ă- vul -shŏn] n. the tearing or forcible separation of part of a...

avulsion

avulsion   Quick reference

A Dictionary of Construction, Surveying and Civil Engineering (2 ed.)

Reference type:
Subject Reference
Current Version:
2020

... Sudden removal or loss of land by the action of water (a...

avulsion

avulsion   Quick reference

A Dictionary of Geology and Earth Sciences (5 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Earth Sciences and Geography
Length:
51 words
Illustration(s):
1

... Lateral displacement of a stream from its main channel into a new course across its floodplain . Normally it is a result of the instability caused by channel aggradation . The avulsion of a stream into an adjacent valley may explain some cases of apparent river capture . ...

avulsion

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A Dictionary of Geography (6 ed.)

Reference type:
Subject Reference
Current Version:
2023

... The abandonment of all or part of a channel belt in favour of a new course. Bed aggradation reduces channel carrying capacity, increases overbank flooding and sedimentation, and eventually results in avulsion...

avulsion

avulsion   Quick reference

A Dictionary of Environment and Conservation (3 ed.)

Reference type:
Subject Reference
Current Version:
2017

... The lateral displacement of a stream from its main channel into a new course across its floodplain . Normally it is a result of the instability caused by channel aggradation . The avulsion of a stream into an adjacent valley may explain some cases of apparent river piracy...

avulsion

avulsion   Quick reference

A Dictionary of Ecology (5 ed.)

Reference type:
Subject Reference
Current Version:
2015

... The lateral displacement of a stream from its main channel into a new course across its flood-plain . Normally it is a result of the instability caused by channel aggradation . The avulsion of a stream into an adjacent valley may explain some cases of apparent river capture...

avulsion

avulsion   Quick reference

A Dictionary of Law (10 ed.)

Reference type:
Subject Reference
Current Version:
2022
Subject:
Law
Length:
176 words

...USA claimed that the new tract had been formed by the process of slow erosion and accretion . Mexico contended that it had been formed by avulsion. By a convention of 1910 the controversy was submitted to arbitration and the Commission held that part of the tract was due to “slow and gradual erosion” (accretion) but that another part resulted from “the great flood of 1864 ” (avulsion) and should therefore be assigned to...

avulsion

avulsion   Reference library

Encyclopaedic Dictionary of International Law (3 ed.)

Reference type:
Subject Reference
Current Version:
2009
Subject:
Law, International Law
Length:
121 words

... ‘A distinction is drawn between accretion and avulsion, the former being the slow and gradual deposit of soil by alluvion so as to modify a river channel imperceptibly, the latter being a sudden and violent shift in the channel so as to leave the old riverbed dry. The public law principles which have been applied distinguish between these two events, allowing the modification of boundary as a result of gradual shift in the thalweg , fixing the boundary in the old thalweg when the river suddenly alters course. The case of Louisiana v. Mississippi [...

avulsion

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A Dictionary of Dentistry (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Dentistry
Length:
77 words

...avulsion ( evulsion ) n. The detachment of a tooth from its socket due to trauma . It may be complete or partial. A completely avulsed permanent tooth may be reimplanted. Prior to reimplantation , the root surface should not be handled and the tooth should ideally be stored in a protective medium such as saliva or milk (dry storage rapidly damages periodontal cells). The chance of successful reimplantation is enhanced by minimizing the extra-oral...

avulsion

avulsion n.   Quick reference

Concise Medical Dictionary (10 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Medicine and health, Clinical Medicine
Length:
72 words

... n. 1. the tearing or forcible separation of part of a structure. For example, a tendon may be torn from the bone to which it attaches or the skin of the scalp may be torn from the underlying tissue and bone. 2. (in dentistry) the complete displacement of a tooth from its socket owing to trauma. The ideal treatment for an avulsed permanent tooth would be replantation (immediately if...

avulsion

avulsion   Reference library

Australian Law Dictionary (3 ed.)

Reference type:
Subject Reference
Current Version:
2018
Subject:
Law
Length:
48 words

...avulsion The rapid and easily perceived increase in a parcel of land due to natural occurrences such as the sudden change in a river’s course ( cf accretion ), which does not affect the legal title of the original owner. Also a type of bone fracture. See also alluvion ....

avulsion fracture

avulsion fracture   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007

... fracture A fracture in which a tendon or ligament pulls off a portion of a bone. Explosive jumping and throwing movements can result in avulsion fractures of the ankle bone and...

epiphyseal avulsion

epiphyseal avulsion   Quick reference

The Oxford Dictionary of Sports Science & Medicine (3 ed.)

Reference type:
Subject Reference
Current Version:
2007
Subject:
Science and technology, Medicine and health
Length:
76 words
Illustration(s):
1

...avulsion A dramatic injury resulting in partial or complete detachment of the epiphysis from the rest of the bone. A complete avulsion is most common in boys 12–14 years old. It may occur during rapid deceleration, such as when a basketball player comes to a sudden stop or a long-jumper lands, causing the epiphysis to be pulled upward by the contracting quadriceps muscle. The resulting fracture may extend right through the knee joint. epiphyseal ...

epiphyseal avulsion

epiphyseal avulsion   Quick reference

Food and Fitness: A Dictionary of Diet and Exercise (2 ed.)

Reference type:
Subject Reference
Current Version:
2016

...avulsion A dramatic injury resulting in partial or complete detachment of a bone along one of its growth lines (the epiphyseal plates), between the head (epiphysis) and the shaft (diaphysis) of the bone. A complete avulsion is most common in preadolescent boys (12–14 years old). It may occur during rapid deceleration, such as when a basketball player comes to a sudden stop or when a long-jumper lands, causing the epiphysis to be pulled upward by the contracting quadriceps. The resulting fracture may extend all the way through the knee joint. Such...

Ring avulsion injuries

Ring avulsion injuries   Reference library

A-Z of Plastic Surgery

Reference type:
Subject Reference
Current Version:
2009
Subject:
Medicine and health, Surgery
Length:
9 words

...avulsion injuries Classification by Urbaniak. See Degloving injuries...

Flexor digitorum profundus avulsion

Flexor digitorum profundus avulsion   Reference library

A-Z of Plastic Surgery

Reference type:
Subject Reference
Current Version:
2009
Subject:
Medicine and health, Surgery
Length:
116 words

...digitorum profundus avulsion • Forced avulsion from the insertion is the next common tendon injury after laceration. • FDS can be avulsed, but is rare. • Most occur in the ring finger. A common muscle belly may make it more susceptible to hyperextension. Also the insertion is weaker and the ring finger is longer in flexion. Classification: Leddy and Packer . Treatment: • Repair is easier with early diagnosis and treatment. • Ultrasound can locate the tendon. • It should be retrieved and passed through the tunnel and inserted into the distal phalanx....

avulsion

avulsion   Quick reference

The Concise Oxford Dictionary of English Etymology

Reference type:
Subject Reference
Current Version:
2003
Subject:
Language reference, History of English
Length:
23 words

... forcible separation or removal. XVII. — L. āvulsiō , -ōn- , f. āvuls- pp. stem of āvellere , f. ā- AB- + vellere pluck; see -SION...

avulsion

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New Oxford Rhyming Dictionary (2 ed.)

Reference type:
Subject Reference
Current Version:
2013
Subject:
Language reference
Length:
504 words

... • ashen , fashion, passion, ration • abstraction , action, attraction, benefaction, compaction, contraction, counteraction, diffraction, enaction, exaction, extraction, faction, fraction, interaction, liquefaction, malefaction, petrifaction, proaction, protraction, putrefaction, redaction, retroaction, satisfaction, stupefaction, subtraction, traction, transaction, tumefaction, vitrifaction • expansion , mansion, scansion, stanchion • sanction • caption , contraption • harshen , Martian • cession , discretion, freshen, session • abjection...

avulsion

avulsion noun   Reference library

Australian Oxford Dictionary (2 ed.)

Reference type:
English Dictionary
Current Version:
2004
Subject:
English Dictionaries and Thesauri
Length:
20 words

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