Ch 20:Lymphatic System Flashcards
What other system does the lymphatic system work directly with?
Immune system
What is the main purpose of the lymphatic system?
Draining extra fluid from the vessels back to the blood in the vena cava
Lymph nodes have a one-way flow. What brings the lymph in? Out?
Afferent lymphatic vessels bring lymph in. And Efferent lymphatic vessels bring lymph out
What is the middle of the lymph node called?
Medulla
What are 2 lymphocytes used to protect against antigens?
T and B cells
T cells and B cells protect against _______.
Antigens
What do T cells do?
They manage the immune response. And attack and destroy infected cells
What do B cells do?
Produce plasma cells, which secrete antibodies
An antigen is detected by the lymphatic system what will the B cell do?
It will make plasma cells and release antibodies
What are considered the main warriors of the immune system?
Lymphocytes
Where do lymphocytes arise?
Red bone marrow
What do T and B cells mature into?
T lymphocyte and B lymphocytes
The lymphatic system consist of 3 parts. What are they?
- Network of lymphatic vessels
- Lymph: fluid in vessels
- Lymph nodes: cleans lymph
What structures are involved in the lymphatic system?
Spleen, thymus, tonsils, lymph nodes, lymphoid tissue
Where does the lymphatic system empty into?
Vena cava