Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
avulsion
In medical contexts, this term describes a violent separation of tissue, such as a tendon or a digit, from its origin. It is distinct from a simple cut or laceration because it implies a tearing force that rips the structure away entirely or partially from its attachment point.
In geomorphology, the term refers to a rapid change in the course of a river. This occurs when a stream breaches its banks and creates a new channel, abandoning the old one. This is a sudden, catastrophic event rather than the gradual migration seen in meandering rivers.
Meanings
Examples
The patient suffered a complete avulsion of the distal tendon.
He has a partial avulsion of the nail bed from the accident.
The surgeon noted a severe avulsion injury to the scalp.
Wait, is this an avulsion fracture or just a sprain?
The tooth was lost due to traumatic avulsion during the game.
The river underwent a sudden avulsion after the heavy floods.
Geologists are studying the avulsion patterns of the ancient river system.
A rapid avulsion shifted the main channel several miles to the east.