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M - Y1 Anatomy (Liam Lennox) > Lymph Lecture > Flashcards

Flashcards in Lymph Lecture Deck (18)
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1
Q

What are the functions of the lymphatic system?

A

Tissue drainage

Return of plasma and plasma proteins

Absorbed fat transport from gut

Immunity

2
Q

What does lymph flow due to?

A

Muscle contraction, uses valves like veins

3
Q

What prevents lymph from flowing the wrong way?

A

Valves

4
Q

Why is fluid absorbed by lymphatic vessels from the interstitual fluid?

A

Higher pressure in the lymphatic vessels creases a hydrostatic pressure

5
Q

What is lymph composed of?

A

Fluid and plasma proteins, gaining lymphocytes as its flows through lymphatic channels, and gaining fat in the small intestine

6
Q

What allows fluid to enter lymphatic vessels?

A

Loose overlapping of walls, when pressure is on it, it moves and allows fluid in

7
Q

What does lymph encounter a series of on its way back to the circulation?

A

Lymph nodes

8
Q

Where is the first place that the immune system can see an antigen?

A

Lymph node

9
Q

How many afferent and efferent vessels do lymph nodes have?

A

Lots of afferent and 1 efferent

10
Q

Where are most nodes?

A

Axial

11
Q

Where do superficial lymph nodes always go?

A

Into deep lymph nodes

12
Q

Why are their lots of lymph nodes in the gut?

A

Ingest food their which is full of antigens and pathogens

13
Q

How do tumours often spread?

A

Through lymphatic vessels

14
Q

What route does lymphatic drainage follow?

A

Arterior supply

15
Q

Where does lymph end?

A

Lymphatic ducts

16
Q

What are the 2 lymphatic ducts?

A

Right lymphatic duct

Thoracic duct

17
Q

What does the right lymphatic duct and thoracid duct drain?

A

Right lymphatic drains the right side of the trunk and the right arm

Thoracid drains everything else (both legs)

18
Q

Where does lymph drainage not occur?

A

Epithelium cartilage

Bone

CNS

Majority of spleen

Majority of liver