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Category - Injuries

In clinical practice, an injury (from the Latin “wound”) is an abnormal change in the morphology or structure of a part of the body produced by external or internal damage. Wounds on the skin can be considered injuries caused by external damage such as trauma. Injuries cause an alteration in the function or physiology of organs, systems and devices, disrupting health and producing disease.

An injury is an alteration of the morphological or structural characteristics of an organism in any of its levels of organization (molecular, cellular, tissue, anatomical, corporal or social) produced physical, chemical or biological causes.

The medical specialty responsible for identifying the microscopic characteristics of the lesions, usually through biopsies, is the pathological anatomy.

Legal Medicine

In Law and Legal Medicine, injuries include, in addition to external injuries, any damage to the body that can be objectified and due to an external cause in which a third person is involved.

In terms of the Penal Code, injury is a crime against life and personal health that is committed by which causes another to damage that leave in your body a vestige or alter your physical or mental health.
External causes

Physical: Like trauma, radiation, electricity, heat that causes burns, cold. It can also be applied to an allergy.
Chemicals: As corrosive substances on the skin, such as poisons or poisons.
Biological: Correspond to infectious agents, whether viruses, bacteria or parasites.

Internal Causes

Immune disorders: Like autoimmune diseases and hypersensitivity reactions.
Hereditary diseases.
Inveterate or Developmental Abnormality.
Metabolic disorders: Like diabetes mellitus.
Nutritional deficiency: Like malnutrition and avitaminosis.


Cells after suffering damage from an external or internal agent can evolve into two situations:

Cellular adaptation: These are a series of cellular changes that affect cell growth and differentiation and manifest as atrophy, hypertrophy, hyperplasia and metaplasia. In some cases it can evolve to dysplasia and neoplasia.
Cell death: Pathological or abnormal cell death is called necrosis and physiological or programmed death is called apoptosis. Cell death occurs in the presence of irreversible lesions that exceed cellular adaptability.

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