Ch. 6 Anatomic Terms in the Lymphatic System

Question 0

spleen

Answer 0

organ of the body that filters blood, removes cellular debris by phagocytosis and provides an environment for lymphocytes to initiate immune responses

Question 1

thymus

Answer 1

primary gland of the lymphatic system; located in the mediastinum; produces T-lymphocytes

Question 2

lymph

Answer 2

fluid circulated through the lymphatic system

Question 3

lymph capillaries

Answer 3

microscopic vessels that draw lymph from tissues to the lymph vessels

Question 4

lymph vessels

Answer 4

vessels that receive lymph from the lymph capillaries and circulate it to the lymph nodes

Question 5

lacteals

Answer 5

specialized lymph vessels in the small intestine that absorb fat into the bloodstream

Question 6

chyle

Answer 6

white or pale yellow substance in lymph that contains fat absorbed from the lacteals

Question 7

lymph nodes

Answer 7

small, oval structures that filter lymph from the lymph vessels

Question 8

lymph ducts

Answer 8

collecting channels that carry lymph from the lymph nodes to the veins

Question 9

right lymphatic duct

Answer 9

receives lymph from the upper right part of the body

Question 10

thoracic duct

Answer 10

receives lymph from the left side of the upper body and the lower extremities

Question 11

immunity

Answer 11

process of disease protection induced by exposure to an antigen

Question 12

antigen

Answer 12

a substance that, when introduced to the body, causes the formation of antibodies against it

Question 13

antibody

Answer 13

a substance produced by the body that destroys or inactivates an antigen in the body

Question 14

active immunity

Answer 14

a long-lasting immunity that results from stimulating the body to produce antibodies; developed naturally or artificially (vaccination)

Question 15

passive immunity

Answer 15

a short-lasting immunity that results from foreign antibodies that are conveyed either naturally (via placenta) or artificially (injection)