← Chapter 20 - Human Anatomy and Physiology - The Lymphatic System and Lymphoid Organs and Tissues - key terms Test
5 Written Questions
5 Matching Questions
- Thoracic Duct
- Tonsillar Crypts
- Lymph Nodes
- Afferent Lymphatic Vessels
- Lymphatic Collecting Vessels
- a Vessels that bring lymph draining from connective tissue into a lymph node en route to the blood.
- b portion of tonsils that trap and destroy bacteria and particulate matter.
- c These receive lymph from lymphatic capillaries, contain more valves than veins, superficial and deep, pass through lymph nodes where it is monitored and cleared of pathogens and cancer cells
- d These form parts of the lymphatic organs and tissues. (example: Spleen, Thymus, Tonsils)
- e the major duct of the lymphatic system
5 Multiple Choice Questions
- a condition in which the limbs become extremely swollen and the skin hardens and thickens, happens when a large amount of filarial worms block lymphatic vessels
- An important component of the immune system, mainly because 1) houses and provides a proliferation site for lymphocytes and 2) furnishes an ideal surveillence vantage point for lymphocytes and macrophages.
- swelling (usually in the legs) caused by lymph accumulating in the tissues
- Vessels leaving the lymph node
- a large dark-red oval organ on the left side of the body between the stomach and the diaphragm
5 True/False Questions
Lymphoid Organs → Lymph nodes, spleen, and thymus gland are examples of what?
Tubal Tonsils → These are a pair of lymphoid organs which lie just behind the openings of the pharyngotympanic tubes into the pharynx; they 'are hidden'
Macrophages → Found within the lymph nodes, they are phagocytes that destroy bacteria, cancer cells, and other foreign matter in the lymphatic stream.
Subcapsular Sinus → region within lymph node immediately deep to capsule, contains relatively sparse lymphocytes, allows lymph to flow freely through it
Lymphangiography → chronic abnormal enlargement of the lymph nodes (usually associated with disease)