Inflammation and Repair Flashcards

1
Q

Abscess

A

A collection of purulent exudate that has accumulated in a contained space formed by the surrounding tissue.

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2
Q

Actinic

A

Relating to or exhibiting chemical changes produced by radiant energy, especially the visible and ultraviolet parts of the spectrum; relating to exposure to the ultraviolet rays of sunlight.

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3
Q

Acute

A

An injury or the course of inflammation that is of short duration.

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4
Q

Angiogenesis

A

The formation and differentiation of blood vessels.

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5
Q

Atrophy

A

The decrease in size and function of a cell, tissue, organ, or whole body.

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6
Q

Biochemical mediators

A

Chemicals in the body that activate responses.

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7
Q

Central

A

In the context of oral lesions, central indicates that the lesion is within bone.

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8
Q

Chemotaxis

A

The movement of white blood cells, as directed by biochemical mediators, to an area of injury.

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9
Q

Chronic

A

An injury or course of inflammation that is of long duration.

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10
Q

C-reactive protein

A

A nonspecific protein, produced in the liver, that becomes elevated during episodes of acute inflammation or infection.

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11
Q

Cyst

A

An abnormal sac or cavity lined by epithelium and surrounded by fibrous connective tissue.

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12
Q

Cytolysis

A

The dissolution or destruction of a cell.

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13
Q

Demastication

A

When tooth wear is increased by chewing an abrasive substance.

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14
Q

Edema

A

An excess level of plasma or exudate in the interstitial space that results in tissue swelling.

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15
Q

Emigration

A

The passage of white blood cells through the walls of small blood vessels and into injured tissue.

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16
Q

Epithelialization

A

The process of renewal of a new surface layer of epithelium.

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17
Q

Erythema

A

The redness of the skin or mucosa.

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18
Q

Exudate

A

A body fluid with a high protein content that leaves the micorcirculation during an inflammatory response that consists of serum that contains white blood cells, fibrin, and other protein molecules.

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19
Q

Fever

A

An elevation of body temperature to greater than the usual level of 37C.

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20
Q

Fibroblasts

A

The cells that form fibers as well as intercellular substance.

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21
Q

Fibroplasia

A

The formation of fibrous tissue as usually occurs in healing.

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22
Q

Fistula

A

An abnormal passage that leads from an abscess to the body surface.

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23
Q

Granulation tissue

A

the initial connective tissue formed in healing.

24
Q

Granuloma

A

A lesion composed of a collection of macrophages usually surrounded by a rim of lymphocytes that is a form of chronic inflammation.

25
Q

Hyperemia

A

An excess of blood within blood vessels in a part of the body.

26
Q

Hyperplasia

A

An enlargement of a tissue or organ resulting from an increase in the number of cells; the result of increased cell division.

27
Q

Hypertrophy

A

An enlargement of a tissue or organ resulting from an increase in the size of its individual cells, but not in the number of cells.

28
Q

Inflammation

A

A nonspecific response to injury that involves the microcirculation and its blood cells.

29
Q

Injury

A

An alteration in the environment that causes tissue damage.

30
Q

Keloid

A

The excessive scarring that mainly occurs in skin in some cases with healing.

31
Q

Leukocytosis

A

An increase in the number of white blood cells circulating in blood.

32
Q

Leukopenia

A

A decrease in the number of white blood cells circulating in blood.

33
Q

Local

A

A disease process that is confined to a limited location in the body that is not general or systemic.

34
Q

Lymphadenopathy

A

The abnormal enlargement of a lymph node or nodes.

35
Q

Macrophage

A

The second type of white blood cells to arrive at a site of injury that was originally a monocyte; it participates in phagocytosis during inflammation and continues to be active in the immune response.

36
Q

Margination

A

A process during inflammation in which white blood cells tend to move to the periphery of the blood vessel at the site of injury.

37
Q

Microcirculation

A

The small blood vessels, including arterioles, capillaries and venules of the vascular system.

38
Q

Myofibroblasts

A

Fibroblasts that have some of the characteristics of smooth muscle cells, such as the ability to contract.

39
Q

Necrosis

A

The pathologic death of one or more cells, or a part of tissue, or an organ that results from irreversible damage to cells.

40
Q

Neutrophil

A

The first white blood cell to arrive at a site of injury; the primary cell involved in acute inflammation; also called a polymorphonuclear leukocyte (PMNs).

41
Q

Opacification

A

The process of becoming opaque.

42
Q

Opsonization

A

The enhancement of phagocytosis by a process in which a pathogen is marked, with opsonins, for destruction by phagocytes.

43
Q

Osteoblast

A

The cell that forms bone.

44
Q

Pavementing

A

The adherence of white blood cells to blood vessel walls during inflammation.

45
Q

Peripheral

A

In the context of oral lesions, peripheral indicates that the lesion is within the gingival tissue or alveolar mucosa.

46
Q

Phagocytosis

A

The ingestion and digestion of particulate material by cells.

47
Q

Purulent exudate

A

An exudate containing or forming pus.

48
Q

Pyrogens

A

The fever-inducing substances produced from either white blood cells or pathogenic microorganisms.

49
Q

Radicular

A

Pertaining to the root of the tooth.

50
Q

Regeneration

A

The process by which injured tissue is replaced with tissue identical to that present before the injury.

51
Q

Repair

A

The restoration of damaged or diseased tissue by cellular change and growth.

52
Q

Serous exudate

A

An exudate that has a watery consistency. The consistence resembles that of serum.

53
Q

Systemic

A

Pertaining to or affecting the body as a whole, as well as a disease process pertaining to or affecting the body as a whole.

54
Q

Transudate

A

The extravascular fluid component of blood that passes through the endothelial cell walls of the microcirculation.

55
Q

White blood cells

A

The cells within the blood and surrounding tissue, also called leukocytes, that are involved in the inflammatory and immune responses.

56
Q

Traumatic injury

A

A disease process that results from injury that causes tissue damage.

57
Q

Waldeyer’s ring

A

The ring of lymphatic tissue formed by the two palatine tonsils, the pharyngeal tonsils, the lingual tonsils, and intervening lymphoid tissue.