Ch 20:Lymphatic System Flashcards Preview

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Flashcards in Ch 20:Lymphatic System Deck (18)
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0
Q

What other system does the lymphatic system work directly with?

A

Immune system

1
Q

What is the main purpose of the lymphatic system?

A

Draining extra fluid from the vessels back to the blood in the vena cava

2
Q

Lymph nodes have a one-way flow. What brings the lymph in? Out?

A

Afferent lymphatic vessels bring lymph in. And Efferent lymphatic vessels bring lymph out

3
Q

What is the middle of the lymph node called?

A

Medulla

4
Q

What are 2 lymphocytes used to protect against antigens?

A

T and B cells

5
Q

T cells and B cells protect against _______.

A

Antigens

6
Q

What do T cells do?

A

They manage the immune response. And attack and destroy infected cells

7
Q

What do B cells do?

A

Produce plasma cells, which secrete antibodies

8
Q

An antigen is detected by the lymphatic system what will the B cell do?

A

It will make plasma cells and release antibodies

9
Q

What are considered the main warriors of the immune system?

A

Lymphocytes

10
Q

Where do lymphocytes arise?

A

Red bone marrow

11
Q

What do T and B cells mature into?

A

T lymphocyte and B lymphocytes

12
Q

The lymphatic system consist of 3 parts. What are they?

A
  1. Network of lymphatic vessels
  2. Lymph: fluid in vessels
  3. Lymph nodes: cleans lymph
13
Q

What structures are involved in the lymphatic system?

A

Spleen, thymus, tonsils, lymph nodes, lymphoid tissue

14
Q

Where does the lymphatic system empty into?

A

Vena cava

15
Q

Where can you not find lymphatic capillaries?

A

Bones, teeth, bone marrow, and CNS

16
Q

What are lacteals? What do they do?

A

They are specialized lymph capillaries present in intestinal mucosa. They absorb digested fat and deliver fatty lymph (chyle) to the blood.

17
Q

What is chyle? And how is it absorbed?

A

Chyle is fatty lymph and is absorbed in the intestinal mucosa by lacteals. The chyle is then delivered to the blood