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HLTH 125 > CH 7.2 & 7.3: Lymph & Immune Systems > Flashcards

CH 7.2 & 7.3: Lymph & Immune Systems Flashcards

1
Q

Define Allergen

A

Substance creating or producing a hypersensitivity (allergic) reaction

-gen = generate, create, produce
all- = other, strange
-erg- = work

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2
Q

Define Allergy / Allergic Reaction

A

Hypersensitivity to a particular allergen

-ergy = process of working
all- = other, strange

-ic = pertaining to

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3
Q

Define Intersitial

A

Pertaining to spaces within tissues between cells

-al = pertaining to
interstiti- = space between cells

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4
Q

Define Lymph

A

Clear fluid collected from the interstitial spaces of tissues and transported by lymph vessels to the venous circulation;

interstitial fluid become lymph when it enters the lymphatic capillaries

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5
Q

Define Lymphatic

A

Pertaining to lymph or the lymphatic system

-atic = pertaining to
lymph- = lymph

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6
Q

Define Lymphoid

A

Resembling lymphatic tissue

-oid = resembling
lymph- = lymph

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7
Q

Define Node

A

A circumscribed mass of tissue

(circ. = restricted within limits)

knot in Latin

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8
Q

Define Lymph Node

A

circular masses of tissue that work like filters against invading pathogens;

found in body, mostly in neck, axilla, and groin

node = knot
lymph = lymph

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9
Q

Define Pathogen

A

A disease-causing microorganism

-gen = produce, create
path/o- = disease

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10
Q

Define Immunity

A

State of being protected

-ity = condition
immun- = immune

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11
Q

Define Immunology

A

The science and practice of immunity and allergy

-logy = study of
immun- = immune

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12
Q

Define Immunologist

A

Specialist in the study of the immune system

-logist = one who studies, specialist
immun- = immune

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13
Q

Define Immunization

A

Administration of an agent to provide immunity

-ization = process of inserting or creating
immun- = immune

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14
Q

Define Adenoid

A

single mass of lymphoid tissue in the nasopharynx (area of throat at back of nasal cavity)

-oid = resemble
aden- = gland

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15
Q

Define Bacterium / Bacteria (pl)

A

Simple, single-celled microscopic organism(s)

a staff in Greek

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16
Q

Define Immunoglobulin (Ig)

A

A specific protein evoked by an antigen

-in = chemical compound, substance
immun/o- = immune
-globul- = protein, globular

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17
Q

Define Spleen

A

largest lymphatic organ

located in left upper quadrant of abdomen, vascular.

acts as reservoir for RBCs and platelets

Spleen in Greek

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18
Q

Define Splenomegaly

A

Enlargement of the spleen

-megaly = enlargement
splen/o- = spleen

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19
Q

Define Thymus

A

Endocrine gland located in the mediastinum; essential to building immunity

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20
Q

Define Tonsil

A

Mass of lymphoid tissue on either side of the throat at the back of the tongue

tonsill-, tonsill/o- = tonsil

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21
Q

Define Tonsillitis

A

Inflammation of the tonsil(s)

-itis = inflammation, infection

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22
Q

Define Tonsillectomy

A

surgical removal of a tonsil(s)

-ectomy = surgical excision (removal)

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23
Q

Define Inguinal

A

Pertaining to the groin

-al = pertaining to
inguin- = groin

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24
Q

Define Lymphadenectomy

A

Surgical excision (removal) of a lymph node(s)

-ectomy = surgical excision
lymphaden- = lymph node

25
Q

Define Lymphadenitis

A

inflammation of a lymph node(s)

-itis = inflammation
lymphaden- = lymph node

26
Q

Define Lymphadenopathy

A

Any disease process affecting the lymph node(s)

-pathy = disease
lymphaden- = lymph node

27
Q

Define Lymphangiogram

A

radiographic images of lymph vessels and nodes following injection of contrast material

-gram = recording
lymphangi/o- = lymphatic vessels

28
Q

Define lymphedema

A

An accumulation of fluid and tissue swelling due to obstruction of lymphatic flow

-edema = swelling
lymph- = lymph

29
Q

Define edema

A

fluid retention; excessive accumulation of fluid in cells and tissues

-edema = swelling (root only not suffix)

30
Q

Define Lymphoma

A

Any malignant neoplasm (tumor) of lymphatic tissue

-oma = tumor, mass
lymph- = lymph, lymph system

31
Q

Define Neoplasm

A

A new growth (can be either a benign or malignant tumor)

neo- = new
-plasm = to form

32
Q

Define Virus

A

A group of non-living infectious agents that require a living host’s cells for growth and reproduction

33
Q

Define Antigen

A

A substance capable of triggering an immune response

anti- = against
-gen = create, produce

34
Q

Define Antibody

A

A protein (immunoglobulin) produced in response to an antigen.

All antibodies are immunoglobulins (Ig).

body = body
anti- = against

35
Q

Define Autoimmune

A

A person’s immune system reacts against it’s own body tissues.

auto- = self, same
-immune = protected

36
Q

Define Mutation

A

Change in the chemistry of a gene;

A change in the structure or physiology of a bacteria in response to an antibiotic

to change in Latin

37
Q

Define Toxin

A

Poison; a poisonous substance formed by a cell or organism

Poison in Greek

38
Q

Define Attenuate

A

weaken the ability of an organism to produce disease

-ate = composed of, pertaining to
attenu- = weaken

39
Q

Define Vaccination

A

Administration of a vaccine

-ation = process
vaccin- = vaccine, giving a vaccine

40
Q

Define Vaccine

A

A preparation to generate active immunity; agent intended to prevent disease

vaccin- = vaccine, giving a vaccine

41
Q

Define Alloimmune

A

immune reaction directed against foreign tissue

all/o- = other, strange
-immune = immunity

42
Q

Define Anaphylaxis

A

immediate, severe, allergic response

ana- = excessive
-phylaxis = protection

43
Q

Define Anaphylactic

A

Pertaining to anaphylaxis

-tic = pertaining to
-phylac- = protect

44
Q

Define Dormant

A

Inactive (phase of a pathogen, not cured)

-ant = forming
dorm- = sleep

45
Q

Define Histamine

A

Compound liberated in tissues as a result of injury or an immune response;

in most hypersensitivity reactions, allergens stimulate cells to produce histamine

hist- = derived from histidine
-amine = nitrogen-containing substance

46
Q

Define Antihistamine

A

Drug used to treat allergic symptoms because of its action antagonistic to histamine

anti- = against
hist- = derived from histidine
-amine = nitrogen-containing substance

47
Q

Define Hypersensitivity

A

Allergic reaction;

exaggerated, abnormal reaction to an allergen

-ity = condition
hyper- = excessive
-senseitiv- = feeling

48
Q

Define Immunodeficiency

A

Failure of the immune system because it is unable to provide appropriate protection

-ency = quality, state of
immun/o- = immune response
-defici- = failure, lacking

49
Q

Define Immunosuppression

A

Suppression of the immune system caused by an outside agent

-ion = action, condition
-suppress- = press under

50
Q

Define Incubation

A

The dormant phase of a developing infection

-action = process
incub- = lie on, hatch

51
Q

Define Opportunistic

A

An organism or a disease that invades the body because the person had a lowered resistance (compromised immune system)

-istic = pertaining to
opportun- = take advantage of

52
Q

Define Resistance

A

Ability of an organism to withstand the affect of an antagonistic agent (ex. antibiotic resistance)

-ance = state of, action
re- = again
-sist- = against, oppose

53
Q

Define Urticaria

A

Hives (rash of itchy wheals - raised bumps)

Nettle in Latin

54
Q

Define Contagious

A

An infection that can be transmitted from person to person

-ious = pertaining to
con- = with, together
-tag- = touch

55
Q

Define Flora

A

Microorganisms that naturally exist on the internal/external surfaces of the body (help us maintain homeostasis)

flower in Latin

56
Q

Define Homeostasis

A

Stability of equilibrium

-stasis = control, stop
home/o- = same

57
Q

Define Infect

A

To invade an organism by a microorganism

invade internally in Latin

infect- (root) = internal invasion

58
Q

Define Nosocomial

A

An infection acquired while in the hospital

-ial = pertaining to
nos/o- = disease
-com- = take care of

HLTH 125 (15 decks)

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