Formation of tissue fluid and lymph
- Created by: Chantelle..
- Created on: 11-01-19 16:57
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- Formation of tissue fluid and lymph
- hydrostatic pressure
- water in plasma being forced out
- by pressure of hearts contraction
- water in plasma being forced out
- blood cells and blood proteins cant pass
- through basement membrane
- they are left behind
- through basement membrane
- tissue fluid must return to circulatory system
- otherwise bodies will swell
- condition called oedema
- otherwise bodies will swell
- tissue fluid returns to the capillaries
- by osmosis
- movement of water through semi permeable membrane
- from lower concentrated solution to higher
- movement of water through semi permeable membrane
- by osmosis
- plasma forced out by hydrostatic pressure
- = more water surrounds tissue
- water drawn back to the capillaries by osmosis
- = more water surrounds tissue
- osmotic pressure
- water being drawn back into capillaries by osmosis
- due to presence of albumin in capillaries
- water being drawn back into capillaries by osmosis
- as water returns to capillaries
- takes dissolved carbon dioxide and other waste products
- 10% of lymph is drained to the lymphatic system
- drains into the lymph vessels
- similar structure to veins
- lymphatic system
- one way transport system
- leads from lymph capillaries
- into tissues through lymph vessels
- to join the circulatory system at the top of the chest
- lymph drains into main veins
- leading from arms to superior vena cava
- maintains correct blood flow volume
- leading from arms to superior vena cava
- lymph drains into main veins
- to join the circulatory system at the top of the chest
- into tissues through lymph vessels
- along this are swellings
- = lymph nodes
- nodes store and develop lymphocytes
- screen returning tissue fluid
- for pathogens
- destroys any that are found
- when fighting an infection nodes swell
- destroys any that are found
- for pathogens
- screen returning tissue fluid
- nodes store and develop lymphocytes
- = lymph nodes
- drains into the lymph vessels
- hydrostatic pressure
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