Ch.6 (Lymphatic And Immune System) A&p Vocab

Front 1

the disease process that occurs following infection with the human immunodeficiency virus

Back 1

acquired immune deficiency syndrome (AIDS)

Front 2

a naturally occurring hormone that also may be given as a cardiac drug and has alpha and beta effects, also called epinephrine

Back 2

adrenaline

Front 3

a severe reacting to an antigen that occurs after sensitization from prior exposure to the same antigen

Back 3

anaphylaxis

Front 4

one of two types of specific immunity that exists in the body, it is primarily mediated by B cells

Back 4

antibody- mediated (humoral) immunity

Front 5

a substance foreign to the body

Back 5

antigen

Front 6

a large collection of lymph nodes located in the axilla (armpit)

Back 6

axillary nodes

Front 7

a white blood cell that may play a role following infection of various areas in the body

Back 7

basophil

Front 8

a protein found on the surface of T helper cells that is adversely affected by exposure to HIV

Back 8

CD4 antigen

Front 9

one of two types of specific immunity that exists in the body, it is primarily mediated by T cells

Back 9

cell- mediated immunity

Front 10

a large collection of lymph nodes located in the neck

Back 10

cervical nodes

Front 11

the process of the migration of leukocytes in blood toward areas of bacterial invasion, foreign body or infection

Back 11

chemotaxis

Front 12

tissue with no clear boundary that bends with surrounding tissues and contains lymphocytes and other cells

Back 12

diffuse lymphatic tissue

Front 13

a normal flora or bacteria found in the gastrointestinal tract that aids in digestion and absorption of food, as well as metabolization of waste products

Back 13

e coli

Front 14

a leukocyte that may play a role following infection in various areas in the body

Back 14

eosinophil

Front 15

a condition that is potentially fatal to a fetus that occurs during late pregnancy or delivery when a Rh negative mother is exposed to a small amount of Rh positive fetal blood. antibodies to Rh antigens may be produced by mother and enter the fetal circulation and destroy the fetus' red blood cells

Back 15

erythroblastosis fetalis

Front 16

a small molecule that will not evoke a specific immune response unless it is combined with other serum proteins, in which case, a severe reaction may occur

Back 16

hapten

Front 17

a virus that adversely effects a protein on T helper cells, the CD4 antigen, by causing it to appear as an antigen to healthy cells, resulting in destruction of helper T cells and the inability to fight infections and certain types of tumors

Back 17

human immunodeficiency virus

Front 18

the body system that is responsible for providing immunity

Back 18

immune system

Front 19

the body's ability to resist damage from foreign substances, microscopic organisms, or harmful chemicals

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immunity

Front 20

a disease that may be transmitted from one person to another via some type of specific organism such as a bacteria or virus

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infectious disease

Front 21

a response of the immune system that results in influx of cells and other chemicals to fight a foreign challenge

Back 21

inflammatory response

Front 22

a large collection of lymph nodes located in the groin

Back 22

inguinal nodes

Front 23

one of three sets of lymphatic organs that comprise the tonsils, they are located in the posterior margin of the tongue and help protect the body from bacteria introduced into the mouth and nose

Back 23

lingual tonsils

Front 24

a thin plasma-like liquid formed from interstitial or extracellular fluid that bathes the tissues of the body

Back 24

lymph

Front 25

round or bean shaped structures interspersed along the course of lymph vessels, which filter the lymph and serve as a source of lymphocytes

Back 25

lymph nodes

Front 26

tissue that is denser than diffuse lymphatic tissue, found in loose connective tissue of the digestive, respiratory, and urinary systems

Back 26

lymph nodules

Front 27

thin-walled vessels through which lymph circulates through the body, they travel close to the major arteries and veins

Back 27

lymph vessels

Front 28

inflammation of a lymph node caused by infection

Back 28

lymphadenitis

Front 29

any swelling of the lymph nosed, with or without pain

Back 29

lymphadenopathy

Front 30

an infection that spreads beyond the local area into the lymphatic vessels causing red streaks to run from the infected area proximally

Back 30

lymphangitis

Front 31

vessels of the lymphatic system that cary fluid away from the tissues

Back 31

lymphatic capillaries

Front 32

one of the two great lymph vessels, it empties into the subclavian vein

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lymphatic duct

Front 33

a passive circulatory system that transports a plasma-like liquid called lymph, a thin fluid that bathes the tissues of the body

Back 33

lymphatic system

Front 34

a type of white blood cell that helps fight infection and provide immunity

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lymphocyte

Front 35

complex proteins produced by T effector cells that recruit mast cells and other nonspecific inflammatory mediators to aid in destruction of antigens

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lymphokines

Front 36

the breakdown of a foreign cell caused, in some cases, when T effector cells bind to the foreign cell

Back 36

lysis

Front 37

cells that leave the bloodstream and enter diseased tissues after the neutrophils and are responsible for the later stages of fighting an infection, including the disposal of dead bacteria

Back 37

macrophages

Front 38

a large white blood cell that mediates allergic reactions and may play a role following infections of various areas in the body

Back 38

mast cells

Front 39

the spreading of a disease from one part of the body to another, especially with many forms of cancer

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metastasize

Front 40

an organism of microscopic size

Back 40

microorganism

Front 41

usually the first cells to enter infected tissue, they ingest bacteria through phagocytosis

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neutrophils

Front 42

an immune response that is predictable each time the body is exposed to a particular challenge

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nonspecific immunity

Front 43

bacteria found in certain sites in the body, such as GI tract and oral and nasal cavities, that help maintain homeostasis

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normal flora

Front 44

one of three sets of lymphatic organs that comprise the tonsils. they are located in the back of the throat, on each side of the posterior opening of the oral cavity, and help protect the body from bacteria introduced into the mouth and nose

Back 44

palatine tonsils

Front 45

the process of ingesting and destroying foreign matter by certain types of leukocytes

Back 45

phagocytosis

Front 46

one of three sets of lymphatic organs that comprise the tonsils, they are located near the internal opening of the nasal cavity and help protect the body from bacteria into the mouth and nose, also called adenoids

Back 46

pharyngeal tonsils

Front 47

the immune response to a given substance that is faster and stronger after each subsequent exposure

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specific immunity

Front 48

an organ of the lymphatic system that is located in the left upper quadrant of the abdomen and consists of two types of lymph tissue that are associated with drainage of this organ

Back 48

spleen

Front 49

surgical removal of the spleen

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splenectomy

Front 50

the cells that carry out most of the cell mediated immune functions by seeking and destroying foreign materials such as; viruses, fungi, bacteria, and particles

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T effector cells

Front 51

cells that aid the T effector cells in carrying out cell-mediated immune functions

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T helper cells

Front 52

the form into which T cells differentiate when activated by an antigen, the T memory cells remain within the body, ready to respond to a second challenge

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T memory cells

Front 53

cells that suppress the actions of the at effector cells by limiting the specific immune response

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T suppressor cells

Front 54

one of two great lymph vessels, it empties into the superior vena cava

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thoracic duct

Front 55

a triangular shaped gland located below the sternum in the superior mediastinum that produces lymphocytes

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thymus

Front 56

three sets of lymphatic organs, the palatine, pharyngeal, and lingual, that are located in the back of the throat and nasopharynx and protect the body from bacteria introduced into the mouth and nose

Back 56

tonsils