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Flashcards in Lymph lecture Deck (22)
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1
Q

Functions of lymph

A

Tissue drainage
Return plasma and plasma protein
Part of immunity

2
Q

Lymphatic vessels

A

Absorb proteins from tissue fluid

3
Q

Lymphatic tissues

A

Eg thymus, spleen, tonsils, bone marrow

4
Q

How much ISF from extracellular space to venous system a day?

A

8L

5
Q

Lymph

A

Fluid and plasma proteins
Gains lymphocytes in lymphatic capillaries
Fats added in intestine

6
Q

How is the flow similar to that of veins?

A

Has valves, muscle contraction, pressure changes and gravity

7
Q

Is tissue fluid higher or lower in infection and why

A

Higher as more phagocytosis and oedema due to osmosis

8
Q

Lymph nodes are primary or secondary lymphoid tissue?

A

Secondary

9
Q

Does efferent lymph have more or less antibodies?

A

More and has been filtered

10
Q

Lymph node parts

A

Germinal centre - secondary lymphoid follicles

Lymphocytes

11
Q

Drainage in limbs

A

Superficial - superficial veins

Deep - deep veins and arteries

12
Q

Cavities have superficial or deep arteries?

A

Deep

13
Q

Where are lymphatic vessels absent from?

A

Eyes, CNS, bone, epidermis

14
Q

What allows superficial ==> deep drainage

A

Openings in fascia to allow it to get back into circulation

15
Q

Where are 50% nodes?

A

Abdomen and pelvis

16
Q

Preaortic

A

Infront of aorta, midline, Supply GI and unpaired

17
Q

Paraaortic

A

Behind aorta and paired lateral branches to body wall and paired organs

18
Q

4 pathologies

A
  • Secondary tumour by metastasis
  • Infection eg TB
  • Inflammatory hyperplasia - enlarged organ
  • Primary tumour eg lymphoma hodgkins
19
Q

Name the 2 lymph ducts

A

Thoracic duct and right lymphatic duct

20
Q

Where do these ducts empty?

A

Jugular/subclavian vein

21
Q

Which part of the body does the right lymphatic duct drain?

A

Right upper quadrant including head, neck, upper limb and thorax

22
Q

Spleen

A

Largest lymphatic organ and find T and B cells