MY CH10 KT Lymphatic System Flashcards
(19 cards)
What is the lymphatic system?
The system that drains fluid and proteins from the tissues and returns them to the bloodstream; this system also participates in immunity and aids in absorption of fats from the digestive tract.
What is lymph?
The thin, plasma-like fluid that drains from the tissues and is transported in lymphatic vessels.
What is a lymph node?
A small mass of lymphoid tissue along the path of a lymphatic vessel that filters lymph.
What are Peyer patches?
Aggregates of lymphoid tissue in the lining of the intestine.
What is the right lymphatic duct?
The lymphatic duct that drains fluid from the body’s upper right side.
What is the spleen?
A large reddish-brown organ in the upper left region of the abdomen; it filters blood and destroys old red blood cells.
Fill in the blank: A small, finger-like mass of lymphoid tissue attached to the first part of the large intestine is called a _______.
appendix
What is the root for lymph?
lymph/o
What is the root for lymph node?
lymphaden/o
True or False: The lymphatic system aids in the absorption of fats from the digestive tract.
True
What is the primary function of lymph nodes?
To filter lymph.
What is the role of the spleen in the body?
To filter blood and destroy old red blood cells.
What is the thoracic duct?
The lymphatic duct that drains fluid from the upper left side of the body and all of the lower body; left lymphatic duct
This duct plays a crucial role in the lymphatic system by transporting lymph fluid.
Where is the thymus located?
A lymphoid organ in the upper part of the chest beneath the sternum; it functions in immunity (root: thym/o)
The thymus is essential for the development of T-cells, which are vital for adaptive immunity.
What is a tonsil?
Small mass of lymphoid tissue located in region of the throat (pharynx)
Tonsils help protect the body from respiratory and gastrointestinal infections.
What is lymphadenitis?
Inflammation and enlargement of lymph nodes, usually as a result of infection
This condition often indicates an underlying infection in the body.
Define lymphangitis.
Inflammation of lymphatic vessels as a result of bacterial infection; appears as painful red streaks under the skin
Lymphangitis can occur following an injury or infection.
What is lymphedema?
Swelling of tissues with lymph caused by obstruction or excision of lymphatic vessels
Lymphedema can lead to significant discomfort and complications if not managed properly.
What does lymphoma refer to?
Any neoplastic disease of lymphoid tissue
Lymphoma includes various types of cancer that affect the lymphatic system.