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MED Words Chapter 14, Lymphatic and Immune Systems
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Medical
Professional
12/31/2011

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Term
cytotoxic T cell
Definition
T lymphocyte that directly kills foreign cells
14: C=1,9,11 , T=3,5,10 , O=4,6 , L=13,14
Term
computed tomography (CT) scan
Definition
X-ray imaging produces cross-sectional and other views of anatomic structures
22:
Term
toxin
Definition
a protein produced by certain bacteria, animals or plants
Term
tolerance
Definition
ability of T lymphocytes to recognize and accept body's own antigens as friendly
Term
allergy
Definition
abnormal hypersensitivity acquired by exposure to an antigen
Term
immunoglobulins
Definition
antibodies that are secreted by plasma cells in response to presence of antigen
15: I=1,13 , M=2,3 , U=4,11 , N=5,14 , O=6,9 , L=8,12
Term
monoclonal antibody
Definition
antibody produced in laboratory to attack antigens and to destroy cells
18: O=2,4,7,16 , N=3,8,12 , L=6,10 , A=9,11
Term
immunity
Definition
body's ability to resist foreign organisms and toxins
Term
lymph vessel
Definition
carrier of lymph throughout the body
11: L=1,11 , E=7,10 , S=8,9
Term
lymph node
Definition
collection of stationary solid lymphatic tissue along lymph vessels
Term
reverse transcriptase inhibitor (RTI)
Definition
drug that treats AIDS by blocking enzyme needed to make copies of HIV
29:
Term
protease inhibitor
Definition
drug that treats AIDS by blocking production of proteolytic enzyme that helps create new viral pieces for HIV
17: R=2,17 , O=3,16 , T=4,15 , E=5,8 , I=9,12,14
Term
anaphylaxis
Definition
exaggerated or unusual hypersensitivity to foreign protein or other substance
11: A=1,3,8
Term
vaccination
Definition
exposure of an individual to a foreign protein that provokes an immune response
11: A=2,7 , C=3,4 , I=5,9 , N=6,11
Term
interstitial fluid
Definition
fluid in spaces between cells, becomes lymph when it enters lymph capillaries
17: I=1,8,10,16 , T=3,7,9 , L=12,14
Term
acquired immunodeficiency syndrome (AIDS)
Definition
group of clinical signs and symptoms associated with suppression of immune system and marked by opportunistic infections, secondary neoplasms and neurologic problems
32:
Term
non-Hodgkin lymphomas
Definition
group of malignant tumors involving lymphoid tissue
19: N=1,3,10 , O=2,5,16 , H=4,15 , M=13,17
Term
CD4+ cells
Definition
helper T cells that carry the CD4 protein antigen on their surface
Term
atopy
Definition
hypersensitive or allergic state involving an inherited predisposition
Term
opportunistic infections
Definition
infectious diseases associated with AIDS
23:
Term
thoracic duct
Definition
large lymphatic vessel in chest that receives lymph from below the diaphragm and from left side of body above the diaphragm
12: T=1,12 , C=6,8,11
Term
right lymphatic duct
Definition
large lymphatic vessel in chest that receives lymph from upper right part of body
18: I=2,13 , H=4,10 , T=5,12,18 , C=14,17
Term
macrophage
Definition
large phagocyte found in lymph nodes and other tissues of body
10: A=2,8
Term
mediastinal nodes
Definition
lymph nodes in area between lungs in thoracic cavity
16: E=2,15 , D=3,14 , I=4,8 , A=5,10 , S=6,16 , N=9,12
Term
axillary nodes
Definition
lymph nodes in the armpit
13: A=1,6 , L=4,5
Term
inguinal nodes
Definition
lymph nodes in the groin region
13: I=1,5 , N=2,6,9
Term
cervical nodes
Definition
lymph nodes in the neck region
13: C=1,6 , E=2,12
Term
lymphoid organs
Definition
lymph nodes, spleen and thymus gland
14: O=6,9
Term
helper T cell
Definition
lymphocyte that aids B cells and cytotoxic T cells in recognizing antigens and stimulating antibody production
11: E=2,5,9 , L=3,10,11
Term
suppressor T cell
Definition
lymphocyte that inhibits activity of B and T lymphocytes
15: S=1,7,8 , P=3,4 , R=5,10 , E=6,13 , L=14,15
Term
B cell, B lymphocyte
Definition
lymphocyte that originates in bone marrow and transforms into plasma cell to secrete antibodies
X ; 11: Y=3,9
Term
T cell, T lymphocyte
Definition
lymphocyte that originates in bone marrow but matures in thymus gland
X ; 11: T=1,10 , Y=3,9
Term
plasma cell
Definition
lymphocyte that produces and secretes antibodies
10: L=2,9,10 , A=3,6
Term
Kaposi sarcoma
Definition
malignant lesion associated with AIDS arising from lining of capillaries
13: A=2,8,13 , O=4,11 , S=5,7
Term
multiple myeloma
Definition
malignant tumor of bone marrow cells
15: M=1,9,14 , L=3,7,12 , E=8,11
Term
lymphoma
Definition
malignant tumor of lymph nodes and lymph tissue
Term
Hodgkin disease
Definition
malignant tumor of lymphoid tissue in spleen and lymph nodes
14: D=3,8 , I=6,9 , S=10,13 , E=11,14
Term
thymoma
Definition
malignant tumor of thymus gland
Term
tonsils
Definition
mass of lymphatic tissue in back of oropharynx
Term
adenoids
Definition
mass of lymphatic tissue in the nasopharynx
Term
viral load test
Definition
measurement of amount of AIDS virus (HIV) in bloodstream
13: A=4,8 , L=5,6 , T=10,13
Term
CD4+ cell count
Definition
measures number of CD4+ cells in bloodstream of patients with AIDS
13: C=1,5,9 , L=7,8
Term
thymus gland
Definition
organ in mediastinum that conditions T lymphocytes to react to foreign cells and aids in the immune response
11: X
Term
spleen
Definition
organ near stomach that produces, stores and eliminates blood cells
Term
acquired immunity
Definition
production of antibodies and lymphocytes after exposure to an antigen
16: U=4,12 , I=5,9,14 , M=10,11
Term
natural immunity
Definition
protection that an individual inherits to fight infection
15: N=1,12 , A=2,6 , T=3,14 , U=4,11 , I=8,13 , M=9,10
Term
antibody
Definition
protein produced by B cell lymphocytes to destroy antigens
Term
complement system
Definition
proteins in the blood that help antibodies and T cells kill their target
16: M=3,7,16 , E=6,8,15 , T=10,14 , S=11,13
Term
interferons
Definition
proteins secreted by T cells to aid and regulate immune response
11: N=2,10 , E=4,7 , R=5,8
Term
cytokines
Definition
proteins that aid and regulate the immune response
Term
interleukins
Definition
proteins that stimulate growth of T and B lymphocytes
12: I=1,10 , N=2,11 , E=4,7 ,
Term
human immunodeficiency virus (HIV)
Definition
retrovirus that causes AIDS
26:
Term
ELISA
Definition
screening test to detect anti-HIV antibodies in bloodstream
Term
dendritic cell
Definition
specialized macrophage that digests foreign cells and helps B and T cells to mark antigens for destruction
13: D=1,4 , E=2,11 , I=6,8 , C=9,10 , L=12,13
Term
allergen
Definition
substance capable of causing a specific hypersensitivity reaction in the body
Term
antigen
Definition
substance that the body recognizes as foreign and evokes immune response
Term
immunoelectrophoresis
Definition
test that separates immunoglobulins
21:
Term
lymph
Definition
thin watery fluid found within lymphatic vessels and collected from tissues throughout body
Term
lymph capillaries
Definition
tiniest lymphatic vessels
16: L=1,10,11 , P=4,8 , A=7,12 , I=9,14 , L=10,11
Term
immunotherapy
Definition
use of immune cells, antibodies or vaccines to treat or prevent disease
13: M=2,3
Term
vaccine
Definition
weakened or killed microorganisms, toxins or other proteins given to induce immunity to infection or disease
Term
wasting syndrome
Definition
weight loss, decrease in muscular strength, appetite and mental activity
15: S=3,8 , N=6,10
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