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any factor that disturbs homeostasis, producing stress.
An agent, condition, or other stimulus that causes stress to an organism.
Etymology: OFr, estrecier, to tighten
anything that causes wear and tear on the body's physical or mental resources. See also general adaptation syndrome.
stressorA general term for any factor that increases a person’s mental or physical stress; virtually all stressors can be described as related to environment (e.g., inadequate housing) or personal (e.g., health related, sexual, social or related to work).
stressorA thing that ↑ mental or physical stress–eg, environment, housing, personal, sexual, social, work related. See Stress management Psychology A noxious physical or mental trigger that compromises mental function and control. See Stress.
psychiatry Any event or situation that induces emotional distress in a given patient.
A stimulus or event that provokes a stress response in an organism. Stressors can be categorized as acute or chronic, and as external or internal to the organism.
Mentioned in: General Adaptation Syndrome
any factor that disturbs homeostasis producing stress. In animals there is a long list including nutritional, lactational and pregnancy stress, physical stressors including inclement climate, hard physical work such as endurance rides, racing, capture of wild animals, psychological including weaning, overcrowding, boredom, harassment by humans or other animals, absence of bedding or protection from drafts and poor ventilation.