Lymphatic System Flashcards

1
Q

What is the main important function of the lymphatic system?

A

Helps to protect our bodies from infections and fight disease - invollved in immune response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How do fluids and substance move through lymphatic system?

A
  • No pump for lymphatic system (unlike cardiovascular system)
  • There are valves in lymph vessels that prevent bakflow
  • Fluid is moved through action of breathing, muscular contraction and presence of adjacent vessels
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where are lymph nodes located?

A

Located:
* On neck
* Under our armpits
* Groins
* Abdomen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the importance of lymph nodes being located here?

A

They help protect vital organs from being infected by intercepting pathogens beforehand. Thus they are strategically placed between connection of limbs and head.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the primary lymphoid organ?

A

Bone Marrow and thymus gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is function of bone marrow?

A

Where all blood cells are made (including white blood cells)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is function of Thymus gland?

A

T-cells and NK cells mature here

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the secondary lymphoid organ?

A

Lymph nodes and spleen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What happens to B and T lymphocytes in lymph nodes?

A

B-lymphocytes and T-lymphocytes are activated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the purpose/benefit of lymph nodes?

A
  • Having lots of B+T cells concentrated in lymph nodes increases the chance of interactions between all cell types of the adaptive immune system (3rd line)
  • This speeds up response
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is special about Dendritic cells?

A

Dendretic cells are the phagocytes which present antigen in lymph nodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly