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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 bone).
A wound is any disruption of or damage to living tissue, such as skin, mucous membranes, or organs. [1] [2] Wounds can either be the sudden result of direct trauma (mechanical, thermal, chemical), or can develop slowly over time due to underlying disease processes such as diabetes mellitus, venous/arterial insufficiency, or immunologic disease. [3]
wound caused by heat, or chemical agents, etc. (n.) clearing (as in a forest) made by burning vegetation bus (v.) to travel by bus to clear (as tables) in a restaurant; to work as a busboy: butcher (have a butcher's) to have a look (rhyming slang: butcher's hook=look) to kill and cut up an animal for meat to kill messily, or someone who does so
The word comes from the Latin 'sanguis', meaning blood, [1] and the prefix 'ex-', meaning 'out of'. Exsanguination has long been used as a method of animal slaughter . Humane slaughter must ensure the animal is rendered insensible to pain , whether through a captive bolt or other process, prior to the bloodletting.
A liver injury, also known as liver laceration, is some form of trauma sustained to the liver. This can occur through either a blunt force such as a car accident, or a penetrating foreign object such as a knife. [1] Liver injuries constitute 5% of all traumas, making it the most common abdominal injury. [2]
Pulmonary laceration is a common result of penetrating trauma but may also be caused by blunt trauma; broken ribs may perforate the lung, or the tissue may be torn due to shearing forces [5] that result from different rates of acceleration or deceleration of different tissues of the lung. [6]
Timing is important to wound healing. Critically, the timing of wound re-epithelialization can decide the outcome of the healing. [11] If the epithelization of tissue over a denuded area is slow, a scar will form over many weeks, or months; [12] [13] If the epithelization of a wounded area is fast, the healing will result in regeneration.
Injury prompts an inflammatory response in animals of many different phyla; [3] this prompts coagulation of the blood or body fluid, [4] followed by wound healing, which may be rapid, as in the cnidaria. [3] Arthropods are able to repair injuries to the cuticle that forms their exoskeleton to some extent. [5]