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An avulsion fracture is a bone fracture which occurs when a fragment of bone tears away from the main mass of bone as a result of physical trauma. This can occur at the ligament by the application of forces external to the body (such as a fall or pull) or at the tendon by a muscular contraction that is stronger than the forces holding the bone ...
However, as a river gradually changes through accretion, the boundary changes with it. To prove that a change was avulsion and not accretion, it is sufficient, at least under Oklahoma law, for the owner of land that was washed away to point out approximately as much land added to the opposite bank as washed away from his bank. [2]
In geology, accretion is a process by which material is added to a tectonic plate at a subduction zone, frequently on the edge of existing continental landmasses. The added material may be sediment, volcanic arcs , seamounts , oceanic crust or other igneous features.
Accession has different definitions depending upon its application. Accession in property law is a mode of acquiring property that involves the addition of value to the property through labour or the addition of new materials. For example, a person who owns a property on a river delta also takes ownership of any additional land that builds up ...
Segond and reverse Segond fractures are characterized by a small avulsion, [5] or "chip", fragment of characteristic size that is best seen on plain radiography in the anterior-posterior plane. The avulsed fragment of bone may be very difficult to see on the plain x-ray exam, and may be better seen on computed tomography .
Avulsion in general refers to a tearing away. Specifically, it can refer to: Avulsion fracture, when a fragment of bone tears away from the main mass of bone as a result of physical trauma; Avulsion injury, in which a body structure is detached from its normal point of insertion, either torn away by trauma or cut by surgery
distal radius fracture with ulnar dislocation and entrapment of styloid process under annular ligament: Moore's fracture at TheFreeDictionary.com: Pipkin fracture-dislocation: G. Pipkin: posterior dislocation of hip with avulsion fracture of fragment of femoral head by the ligamentum teres: impact to the knee with the hip flexed (dashboard injury)
In medicine, an avulsion is an injury in which a body structure is torn off by either trauma or surgery (from the Latin avellere, meaning "to tear off"). [1] The term most commonly refers to a surface trauma where all layers of the skin have been torn away, exposing the underlying structures (i.e., subcutaneous tissue , muscle , tendons , or ...