Digestive Flashcards
1
Q
What is the lymphatic system
A
Network of vessels, lymhoid tissue and lymph
2
Q
What are the 2 main functions of of lymphatic system
A
- Removal of intersitial fluid
- Immunological defense
3
Q
What types of cells are distributed to help the immune system function
A
Lymphocytes (T and B cells), and other WBC (Neutrophils, macrophages)
4
Q
How does Lymph move throughout the body
A
Lymph relies on pulsatile movements, skeletal muscle and upper body respiratory pump contractions
5
Q
Name how lympathic vessels are subdivided
A
Lymphatic capillaries turn into lymphatic vessels, turn into lymphatic trunks then 2 lymphatic ducts
6
Q
What are some characteristics of a Lymphatic cappilary
A
- Larger than blood caillaries
- Close ended vessesls
- Contain minivalves
- Composed of simple sqaumous
7
Q
What are some characteristics of Collecting/ small lymphatic vessels
A
- Move lymph from capillaries towards nodes
- Move filtered lymph away from node
- Endothelium, thin smooth muslce and adventititia
8
Q
Describe the characteristic of a lympatic trunk
A
- Composed of the gather of various collecting lypmphatic vessels
- Ex. Subclavian trunks
9
Q
A
