What is the definition or description of: nail avulsion?

Nail removal: Removal of the nail plate but maintaining the germinal matrix to allow for regeneration of the nail.

Most nail injuries: such as an avulsion look worse than they are. the nail plate, the hard nail comes off but if the underlying nail bed is ok, the nail grows back in a few months. laceration to the sterile nail matrix or the germinal matrix (the root of the nail can affect growth

Torn off: A common way to describe an avulsion injury is to say the nail is torn off, often by a shear or traction type injury. A nail avulsion injury can be isolated to the nail alone, or it can involve the nail bed or even the underlying bone. Treatment is based upon the severity of the injury and may be simple cleansing and antibiotic ointment to direct repair.