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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]
The universal first aid symbol A US Navy corpsman gives first aid to an injured Iraqi citizen.. Medical portal; First aid is the first and immediate assistance given to any person with a medical emergency, [1] with care provided to preserve life, prevent the condition from worsening, or to promote recovery until medical services arrive.
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 is physiological damage to the living tissue of any organism, whether in humans, in other animals, or in plants. Injuries can be caused in many ways, including mechanically with penetration by sharp objects such as teeth or with blunt objects , by heat or cold, or by venoms and biotoxins .
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Those who are not able to perform first aid can also assist by remaining calm and staying with the injured or ill person. A common complaint of emergency service personnel is the propensity of people to crowd around the scene of a victim, as it is generally unhelpful, making the patient more stressed, and obstructing the smooth working of the ...
First aid is a series of simple, life-saving medical techniques that a non-doctor can be trained to perform in medical emergency situations, before the intervention of emergency medical technicians or doctors. It is best to obtain training in first aid before a medical emergency occurs.
Development aid, financial aid to support the development of developing countries; Humanitarian aid, material and logistic assistance to people who need help; Welfare spending, social aid to poor people; First aid, assistance given to a person suffering a sudden illness or injury; Charity (practice), voluntary giving of aid and to those in need