Lymphatic System Flashcards
1
Q
what is the lymphatic system
A
- the lymphatic system is a set of fine vessels - responsible for transporting lymph.
2
Q
what is lymph
A
- lymph is the tissue fluid that leaks out of the blood capillaries and bathes the cells in the interstitial spaces
- similar in composition to plasma in blood
- clear to straw coloured fluid
- in the lacteals its cloudy due to fat presence
3
Q
what are the 4 functions of the lymphatic system
A
- return excess tissue fluid to the circulation
- filter pathogens out of the fluid within the lymph nodes
- to produce mature lymphocytes and antibodies
- to transport digested fat (chyle)
4
Q
lymphatic structures
A
- lymphatic capillaries
- lymphatic vessels
- lymph nodes
- lymphatic ducts
- lymphatic tissues
5
Q
lymphatic tissues
A
Tonsils:
- three pairs of small and round masses found in the pharynx
- defend against infection into the digestive and respiratory systems
- store and mature lymphocytes
