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SFOS 17
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Define microcirculation
Arterioles, capillaries and venules
Vasomotion
Precapillary smooth muscle rhythmic contractions
Causes discontinuous flow in capillary
Factors of filtration
Capillary hydrostatic pressure (Pc) - pushing out of capillary
Interstitial hydrostatic pressure (Pif) - pushing into capillary
Plasma osmotic pressure - draw fluid into capillary
Interstitial osmotic pressure - draw fluid out of capillary
Types of lymphatic pumping
Intrinsic pumping - smooth muscle of lymph vessels
External compression - muscles around lymph vessels (unidirectional result due to valves)
Factors of edema
Increased capillary permeability
Decrease in plama osmotic pressure
Elevated capillary pressure
Lymphatic obstruction
Author
zf2010
ID
80031
Card Set
SFOS 17
Description
SFOS 17
Updated
2011-04-16T20:19:17Z
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