Chapter 12 med term

Question 1

lymph

Answer 1

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

Question 2

lymphatic pathways

Answer 2

vessels that transport lymph around the body

Question 3

lymphatic vessels

Answer 3

contain valves that prevent backflow of lymph. As the vessels approach the heart, they carry more fluid and are larger in size

Question 4

lymph node

Answer 4

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

Question 5

spleen

Answer 5

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

Question 6

thymus gland

Answer 6

soft gland with two lobes that is involved in immune responses, part of the immune and endocrine system. aids in the maturation of T and B cells.

Question 7

where is the thymus gland located?

Answer 7

mediastinum

Question 8

T cells

Answer 8

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

Question 9

B Lymphocytes

Answer 9

A kind of lymphocyte that manufactures antibodies

Question 10

thymosin

Answer 10

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

Question 11

aden/o

Answer 11

gland

Question 12

immun/o

Answer 12

immunity

Question 13

lymph/o

Answer 13

lymph

Question 14

lymphaden/o

Answer 14

lymph nodes

Question 15

lymphangi/o

Answer 15

lymphatic vessels

Question 16

splen/o

Answer 16

spleen

Question 17

thym/o

Answer 17

thymus

Question 18

tox/o, toxi-, toxico-

Answer 18

poison

Question 19

lymph

Answer 19

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

Question 20

lymph nodes

Answer 20

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

Question 21

spleen

Answer 21

organ of lymph system that filters and stores blood, removes old red blood cells, and activates lymphocytes.

Question 22

thymus gland

Answer 22

soft gland with two lobes that is involved in immune responses; located in mediastinum; gland that is part of the immune system as well as part of the endocrine system; aids in the maturation of T and B cells.

Question 23

T lymphocytes

Answer 23

Specialized white blood cells that receive markers in the thymus, are responsible for cellular immunity, and assist with humoral immunity.

Question 24

B lymphocytes

Answer 24

a kind of lymphocyte that manufactures antibodies

Question 25

thymosin

Answer 25

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

Question 26

lymphocytes

Answer 26

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

Question 27

macrophage

Answer 27

special cell that devours foreign substances

Question 28

microphage

Answer 28

small phagocytic cell that devours foreign substances

Question 29

phagocytosis

Answer 29

ingestion of foreign substances by specialized cells

Question 30

antibodies

Answer 30

specialized protein that fights disease; also called immunoglobulin

Question 31

pathogens

Answer 31

disease causing agent

Question 32

antigens

Answer 32

any substance that can provoke an immune response

Question 33

immunity

Answer 33

resistance to particular antigens

Question 34

natural immunity

Answer 34

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

Question 35

acquired active immunity

Answer 35

Resistance to a disease acquired naturally or developed by previous exposure or vaccination.

Question 36

immunization

Answer 36

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

Question 37

vaccination

Answer 37

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

Question 38

antigen

Answer 38

any substance that can provoke an immune response

Question 39

vaccine

Answer 39

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

Question 40

humoral immunity

Answer 40

resistance to disease provided by plasma cells and antibody production

Question 41

plasma cells

Answer 41

specialized lymphocyte that produces immunoglobulins

Question 42

immunoglobulins

Answer 42

antibody

Question 43

cell mediated immunity

Answer 43

resistance to disease mediated by T cells

Question 44

interferon

Answer 44

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

Question 45

interleukin

Answer 45

protein produced by T cells; helps regulate immune system

Question 46

helper cells

Answer 46

T cell that stimulates the immune response

Question 47

cytotoxic cells

Answer 47

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

Question 48

suppressor cells

Answer 48

T cell that suppresses B cells and other immune cells.

Question 49

acquired passive immunity

Answer 49

Inoculation against disease or poison; using antitoxins or antibodies from or in another person or another species.

Question 50

antitoxin

Answer 50

Antibodies directed against a particular disease or poison.

Question 51

gamma globulins (1)

Answer 51

1. Globulin that arises in lymphatic tissue and functions as part of the immune system.

Question 52

gamma globulins (2)

Answer 52

2. Antibodies given to prevent or lessen certain diseases.

Question 53

splen-ectomy

Answer 53

removal of the spleen

Question 54

immuno-suppressor

Answer 54

agent that suppresses the immune response

Question 55

lymphang-itis

Answer 55

inflammation of the lymphatic vessels

Question 56

adeno-carcinoma

Answer 56

glandular cancer

Question 57

lympho-cyte

Answer 57

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

Question 58

toxi-cosis

Answer 58

systemic poisoning

Question 59

lymphadeno-pathy

Answer 59

swollen lymph nodes

Question 60

thym-ectomy

Answer 60

removal of the thymus gland