Chapter 14 - Key Vocab Part 2

Question 1

Paraaortic nodes

Answer 1

Lymph nodes near the aorta in the lumbar (waist) area of the body

Question 2

Plasma cell

Answer 2

Lymphocytes that secretes antibodies. It matures from B lymphocytes

Question 3

Right lymphatic duct

Answer 3

Vessel in the chest that drains lymph from the upper part of the body; empties lymph into large neck vein

Question 4

Spleen

Answer 4

Organ in the left upper quadrant of the abdomen that destroys worn-out RBCs, activates lymphocytes, and stores blood

Question 5

Suppressor T cell

Answer 5

Lymphocytes that inhibits the activity of B and T cells. Also called Treg (regulatory T cells)

Question 6

T cell (T-lymphocyte)

Answer 6

Lymphocytes that acts directly on antigens to destroy them or produces chemicals toxic to antigens

Question 7

Tolerance

Answer 7

Ability of T lymphocytes to recognize and accept the body’s own antigens as “self” or friendly

Question 8

Thoracic Duct (!!!)

Answer 8

Drains lymph from the lower and left side of the body; empties into large veins in neck

Question 9

Thymus gland (!!!)

Answer 9

Lymphoid organ in the mediastinum that conditions T cells to react to foreign cells

Question 10

Tonsils

Answer 10

Masses of lymphatic tissue in back of the oropharynx

Question 11

Toxin

Answer 11

Poison; a protein produced by certain bacteria, animals, or plants

Question 12

Vaccine

Answer 12

Weakened or killed microorganisms, toxins, or other proteins given to induce immunity to infection or disease

Question 13

Vaccination

Answer 13

Exposure of an individual to an antigen that provokes an immune response that will destroy any cell with the antigen and will protect against infection