Inflammation (redirected from Inflamation)

inflammation /in·flam·ma·tion/ (in?flah-ma´shun) a protective tissue response to injury or destruction of tissues, which serves to destroy, dilute, or wall off both the injurious agent and the injured tissues. The classical signs of acute inflammation are pain (dolor), heat (calor), redness (rubor), swelling (tumor), and loss of function (functio laesa).inflam´matory

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acute inflammation  inflammation, usually of sudden onset, marked by the classical signs (see inflammation ), in which vascular and exudative processes predominate.

catarrhal inflammation  a form affecting mainly a mucous surface, marked by a copious discharge of mucus and epithelial debris.

chronic inflammation  prolonged and persistent inflammation marked chiefly by new connective tissue formation; it may be a continuation of an acute form or a prolonged low-grade form.

exudative inflammation  one in which the prominent feature is an exudate.

fibrinous inflammation  one marked by an exudate of coagulated fibrin.

granulomatous inflammation  a form, usually chronic, marked by granuloma formation.

hyperplastic inflammation  one leading to the formation of new connective tissue fibers.

interstitial inflammation  one affecting chiefly the stroma of an organ.

parenchymatous inflammation  one affecting chiefly the essential tissue elements of an organ.

plastic inflammation , productive inflammation, proliferous inflammation hyperplastic i.

pseudomembranous inflammation  an acute inflammatory response to a powerful necrotizing toxin, e.g., diphtheria toxin, with formation, on a mucosal surface, of a false membrane composed of precipitated fibrin, necrotic epithelium, and inflammatory white cells.

purulent inflammation  suppurative i.

serous inflammation  one producing a serous exudate.

subacute inflammation  a condition intermediate between chronic and acute inflammation, exhibiting some of the characteristics of each.

suppurative inflammation  one marked by pus formation.

ulcerative inflammation  that in which necrosis on or near the surface leads to loss of tissue and creation of a local defect (ulcer).

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in·flam·ma·tion (nfl-mshn)

n.

A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes loss of function.

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in·flame v.

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Inflammation

The body's immune reaction to presumed foreign substances like germs. Inflammation is characterized by increased blood supply and activation of defense mechanisms. It produces redness, swelling, heat, and pain.

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inflammation (in·fl·māˑ·shn),

n response of bodily tissues to a chemical or physical injury indicated by heat, redness, swelling, and pain.

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inflammation (in´flmā´shn),

n the cellular and vascular response or reaction to injury. Inflammation is characterized by pain, redness, swelling, heat, and disturbance of function. It may be acute or chronic. The term is not synonymous with
infection, which implies an inflammatory reaction initiated by invasion of living organisms.

inflammation, gingival,

n See gingivitis.

inflammation, granulomatous,

n a chronic inflammation in which there is formation of granulation tissue.

inflammation, periodontal,

n See periodontitis and gingivitis.

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inflammation

a localized protective response elicited by injury or destruction of tissues, which serves to destroy, dilute, or wall off both the injurious agent and the injured tissue.

The inflammatory response can be provoked by physical, chemical and biological agents, including mechanical trauma, exposure to excessive amounts of sunlight, x-rays and radioactive materials, corrosive chemicals, extremes of heat and cold, and infectious agents such as bacteria, viruses and other pathogenic microorganisms. Although these infectious agents can produce inflammation, infection and inflammation are not synonymous.

The classic signs of inflammation are heat, redness, swelling, pain and loss of function. These are manifestations of the physiological changes that occur during the inflammatory process. The three major components of this process are: (1) changes in the caliber of blood vessels and the rate of blood flow through them (hemodynamic changes); (2) increased capillary permeability; and (3) leukocytic exudation.

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acute inflammation

inflammation, usually of sudden onset, marked by the classic signs of heat, redness, swelling, pain and loss of function, and in which vascular and exudative processes predominate.

adhesive inflammation

promotes adhesion of adjacent surfaces.

atrophic inflammation

one that causes atrophy and deformity.

catarrhal inflammation

a form affecting mainly a mucous surface, marked by a copious discharge of mucus and epithelial debris.

chronic inflammation

prolonged and persistent inflammation marked chiefly by new connective tissue formation; it may be a continuation of an acute form or a prolonged low-grade form.

chronic inflammation bowel disease of sheep

a syndrome of unknown etiology, manifest with wasting, ill thrift and mortality or culling for poor production. Reported in England and Canada, it affects both housed and pastured sheep, predominantly in their first year of life, but cases up to three years-of-age have been seen. Affected sheep are dull and anorectic with pale mucous membranes and have fecal staining of the perineum. The rumen fill is reduced and the feces are soft and malodorous. Blood examination shows hypoalbuminemia, an elevated blood urea nitrogen and leukocytosis with neutrophilia. On postmortem there is a lymphocytic enteritis with gross thickening of segments or the entire or distal part of the small intestine. There is no evidence for Johne's disease or parasitic gastroenteritis and the syndrome has similarities to the proliferative enteropathies of swine and horses.

croupous inflammation

a homogeneous layer of exudate lying close to but detached from the underlying inflamed tissue, which is comparatively unharmed; may form a fibrinous cast.

diphtheritic inflammation

manifested by the development of a fibrinous exudate which is firmly attached to the underlying tissue, such that it cannot be removed except by tearing off a superficial layer.

exudative inflammation

one in which the prominent feature is an exudate.

fibrinous inflammation

one marked by an exudate of coagulated fibrin.

fibrous inflammation

leads to the development of fibrous tissue.

granulomatous inflammation

a form, usually chronic, attended by formation of granulomas.

hyperplastic inflammation

leads to the development of new connective tissue.

hypertrophic inflammation

leading to the enlargement of the affected tissues.

interstitial inflammation

inflammation affecting chiefly the stroma of an organ.

obliterative inflammation

inflammation within a vessel or viscus leading to occlusion of the lumen.

parenchymatous inflammation

inflammation affecting chiefly the essential tissue elements of an organ.

productive inflammation, proliferative inflammation

one leading to the production of new connective tissue fibers.

pseudomembranous inflammation

an acute inflammatory response to a powerful necrotizing toxin, e.g. Fusobacterium necrophorum toxin, characterized by formation on a mucosal surface of a false membrane composed of precipitated fibrin, necrotic epithelium and inflammatory leukocytes. See also diphtheritic inflammation (above).

purulent inflammation

suppurative inflammation.

serous inflammation

one producing a serous exudate.

specific inflammation

one due to a particular microorganism.

systemic inflammation response syndrome (SIRS)

a generalized inflammatory response with vasodilation of capillaries and postcapillary venules, increased permeability of capillaries, and hypovolemia. Depressed cardiac function and decreased organ perfusion follow. The various initiating stimuli include sepsis and septic shock, hyperthermia, pancreatitis, trauma, snake bite and immune-mediated diseases.

toxic inflammation

one due to a poison, e.g. a bacterial product.

traumatic inflammation

one that follows a wound or injury.

ulcerative inflammation

that in which necrosis on or near the surface leads to loss of tissue and creation of a local defect or ulcer.

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inflammation A response to injury which is characterized by pain, swelling, heat, redness, and/or loss of function. See Round cellinflammation.