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med term: second half > Ch13: lymphatic system > Flashcards

Ch13: lymphatic system Flashcards

1
Q

acquired active immunity

A

resistance to a disease acquired naturally or developed by previous exposure or vaccination

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2
Q

acquired passive immunity

A

inoculation against disease or poison, using antitoxins or antibodies from or in another person or another species

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3
Q

antibody

A

specialized protein that fights disease; also called immunoglobulin

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4
Q

antigen

A

any substance that can provoke an immune response

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5
Q

antitoxin

A

antibodies directed against a particular disease or poison

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6
Q

B lymphocytes, B cells

A

a kind of lymphocyte that manufactures antibodies

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7
Q

cell-mediated immunity

A

resistance to disease mediated by T cells

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8
Q

cytotoxic

A

T cell that helps in destruction of infected cells throughout the body

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9
Q

gamma globulin

A

antibodies given to prevent or lessen certain diseases

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10
Q

helper cell

A

T cell that stimulates the immune response

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11
Q

humoral immunity

A

resistance to disease provided by plasma cells and antibody production

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12
Q

immunity

A

resistance to particular pathogens

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13
Q

immunization

A

vaccination

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14
Q

immunoglobulin

A

antibody

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15
Q

interferon

A

protein produced by T cells and other cells; destroys disease-causing cells with its antiviral properties

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16
Q

lymph

A

fluid that contains white blood cells and other substances and flows in the lymphatic vessels

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17
Q

lymph node

A

specialized organ that filters harmful substances from the tissues and assists in the immune response

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18
Q

lymphocytes

A

white blood cells made in the bone marrow that are critical to the body’s defense against disease and infection

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19
Q

macrophage

A

special cell that devours foreign substances

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20
Q

microphage

A

small phagocytic cell that devours foreign substances

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21
Q

natural immunity

A

inherent resistance to disease found in a species, race, family group, or certain individuals

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22
Q

pathogen

A

disease-causing agent

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23
Q

phagocytosis

A

ingestion of foreign substances by specialized cells

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24
Q

plasma cell

A

specialized lymphocyte that produces immunoglobulins

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25
Q

spleen

A

organ of lymph system that filters and stores blood, removes old RBCs, and activates lymphocytes

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26
Q

suppressor cell

A

T cell that suppresses B cells and other immune cells

27
Q

T cells

A

specialized WBCs that receive markers in the thymus, are responsible for cellular immunity, and assist with humoral immunity

28
Q

thymosin

A

hormone secreted by the thymus gland that aids in distribution of thymocytes and lymphocytes

29
Q

thymus gland

A

soft gland with 2 lobes that is involved in immune responses; located in mediastinum

30
Q

T lymphocytes

31
Q

vaccination

A

injection of an antigen from a different organism to cause active immunity

32
Q

vaccine

A

antigen developed from a different organism that causes active immunity in the recipient

33
Q

acquired immunodeficiency syndrome

34
Q

AIDS

A

most widespread immunosuppressive disease; caused by the HIV virus

35
Q

allergen

A

substance to which exposure causes an allergic response

36
Q

allergy

A

production of IgE antibodies against an allergen

37
Q

anaphylaxis

A

life-threatening allergic reaction

38
Q

autoimmune disease

A

any of a number of diseases, such as rheumatoid arthritis, lupus, and scleroderma, caused by an autoimmune response

39
Q

autoimmune response

A

overactivity in the immune system against the body, causing destruction of one’s own healthy cells

40
Q

histiocytic lymphoma

A

lymphoma with malignant cells that resemble histiocytes

41
Q

Hodgkin’s lymphoma, Hodgkin’s disease

A

type of lymph cancer of uncertain origin that generally appears in early adulthood

42
Q

human immunodeficiency virus (HIV)

A

virus that causes AIDS; spread by sexual contact, exchange of body fluids, and shared use of needles

43
Q

hypersensitivity

A

abnormal reaction to an allergen

44
Q

hypersplenism

A

overactive spleen

45
Q

immunosuppressive disease

A

disease that flourishes because of lowered immune response

46
Q

infectious mononucleosis

A

acute infectious disease caused by the Epstein-Barr virus

47
Q

lymphadenopathy

A

swollen lymph nodes

48
Q

lymphocytic lymphoma

A

lymphoma with malignant cells that resemble large lymphocytes

49
Q

lymphoma

A

cancer of the lymph nodes

50
Q

metastasis

A

spread of a cancer from a localized area

51
Q

non-Hodgkin’s lymphoma

A

cancer of the lymph nodes with some cells resembling healthy cells and spreading in a diffuse pattern

52
Q

opportunistic infection

A

infection that takes hold because of lowered immune response

53
Q

retrovirus

A

type of virus that spreads by using that body’s DNA to help it replicate its RNA

54
Q

sarcoidosis

A

inflammatory condition with lesions of the lymph nodes and other organs

55
Q

splenomegaly

A

enlarged spleen

56
Q

thymoma

A

tumor of the thymus gland

57
Q

lymphadenectomy

A

removal of a lymph node

58
Q

lymphadenotomy

A

incision into a lymph node

59
Q

lymph node dissection

A

removal of a cancerous node for microscopic examination

60
Q

splenectomy

A

removal of the spleen

61
Q

thymectomy

A

removal of the thymus gland

62
Q

enzyme-linked immunosorbent assay (EIA, ELISA)

A

test used to screen blood for the presence of antibodies to different viruses or bacteria

63
Q

Western blot

A

test primarily used to check for antibodies to HIV in serum

med term: second half (15 decks)

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