Noun
A tearing asunder; a forcible separation.
A fragment torn off.
The sudden removal of lands or soil from the estate of one man to that of another by an inundation or a current, or by a sudden change in the course of a river by which a part of the estate of one man is cut off and joined to the estate of another. The property in the part thus separated, or cut off, continues in the original owner.
Source: Webster's dictionaryAn avulsion injury left a divot on the humerus of Sue the T. rex, apparently located at the origin of the deltoid or teres major muscles. Source: Internet
Allosaurus was one of only two theropods examined in the study to exhibit a tendon avulsion, and in both cases the avulsion occurred on the forelimb. Source: Internet
The flood of 1787 caused the Teesta to undergo a sudden change course (an avulsion ), shifting east to join the Brahmaputra and causing the Brahmaputra to shift its course south, cutting a new channel. Source: Internet
The abundance of stress fractures and avulsion injuries in Allosaurus provide evidence for "very active" predation-based rather than scavenging diets. Source: Internet
The presence of avulsion injuries being limited to the forelimb and shoulder in both Tyrannosaurus and Allosaurus suggests that theropods may have had a musculature more complex than and functionally different from those of birds. Source: Internet
The researchers concluded that Sue's tendon avulsion was probably obtained from struggling prey. Source: Internet