Med Term- Module 14 Flashcards by Trinitey Riley

adenoids

mass of lymphatic tissue in the nasopharynx

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antibody

protein produced by B cells to destroy antigens

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antigen

substance that the body recognizes as foreign

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axillary nodes

lymph nodes in the armpit

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B Cell

lymphocyte that matures into a plasma cell to secrete antibodies

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cell-mediated immunity

T cells respond to antigens and destroy them

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cervical nodes

lymph nodes in the neck region

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cytokines

proteins secreted by cytotoxic T cells to aid in antigen destruction

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dendritic cell

antigen-presenting cell

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cytotoxic cell

lymphocyte that directly kills antigens

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helper T cell

lymphocyte that aids B cells and stimulates T cells

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humoral immunity

B cells produce antibodies after exposure to specific antigens

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immunoglobulins

antibodies secreted by plasma cells in response to the presence of an antigen

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immunotherapy

use of immune cells, antibodies, or vaccines to treat disease

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inguinal node

lymph nodes in the groin region

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interferons

proteins secreted by T cells and other cells to aid and regulate the immune response

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interferons

proteins secreted by T cells and other cells to aid and regulate the immune response

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interleukins

proteins that stimulate the growth of B and T lymphocytes

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interstitial fluid

fluid in the spaces between the cells

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lymph

thin, watery fluid found within lymphatic vessels and collected from tissues throughout the body

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lymph capillaries

tiniest lymphatic vessels

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lymphoid organs

lymph nodes, spleen, and thymus gland

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lymph node

collection of stationary solid lymphatic tissue along lymph vessels

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lymph vessel

carrier of lymph throughout the body

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macrophage

large phagocyte found in lymph nodes and other tissues of the body

mediastinal nodes

lymph nodes in the area between the lungs in the chest cavity

mesenteric nodes

lymph nodes in the mesentery

monoclonal antibody

antibody produced in a laboratory to attack antigens and destroy cells

natural immunity

protection that an individual is born with to fight infections

paraaortic nodes

lymph nodes near the aorta in the lumbar area of the body

plasma cell

lymphocyte that secrets antibodies

right lymphatic duct

lymphatic vessel in the chest that drains lymph from the upper right part of the body

spleen

organ in the left upper quadrant of the abdomen that destroys worn-out red blood cells, activates lymphocytes, and stores blood

suppressor T cell

lymphocyte that inhibits the activity of B and T cells

T cell

lymphocyte that acts directly in antigens to destroy them or produce chemicals that are toxic to antigens

Tolerance

ability of T lymphocytes to recognize and accept the body's own antigens as friendly

thoracic duct

large lymphatic vessel that drains lymph from the lower and left side of the body

thymus gland

lymphoid organ in the mediastinum that conditions T cells to react to foreign cells and aids in the immune response

tonsils

masses of lymphatic tissue in the back of the oropharynx

toxin

poison

vaccination

exposure of an individual to a foreign protein that provokes an immune response

vaccine

weakened or dead antigen is given to induce production of antibodies

immun/o

protection

lymph/o

lymph

lymphaden/o

lymph node

splen/o

spleen

thyn/o

thymus gland

tox/o

poison

ana-

again, anew

inter-

between

AIDS

group of clinical signs and symptoms associated with suppression of the immune system and marked by opportunistic infections, secondary neoplasms, and neurological problems

allergen

a substance capable of causing an allergy

allergy

abnormal hypersensitivity acquired by exposure to the antigen

anaphylaxis

exaggerated or unusual hypersensitivity to a foreign protein or other substance

atopy

hypersensitive or allergic state involving an inherited predisposition

CD4 lymphocytes

Helper T cells that carry the CD4 protein antigen on their surface

Hodgkin Disease

Malignant tumor of lymphoid tissue in spleen and lymph nodes

HIV

virus that causes AIDS

Kaposi Sarcoma

malignant lesion associated with AIDS

non- Hodgkin lymphomas

group of malignant tumors involving lymphoid tissue

opportunistic infections

infectious diseases associated with AIDS

protease inhibitor

drug that treats AIDS by blocking the production protease

RTI

drug that treats AIDS by blocking reverse transcriptase

thymoma

tumor of the thymus gland

CT scan

x-ray imaging produces cross-sectional and other views of anatomic structures

ELISA scan

screening test to detect anti-HIV antibodies in the bloodstream

immunoelectrophoresis

test that separates immunoglobulins

Med Term- Module 14 Flashcards

(67 cards)