SFOS 17

Card Set Information

Author:
zf2010
ID:
80031
Filename:
SFOS 17
Updated:
2011-04-16 16:19:17
Tags:
Microcirculation
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Description:
SFOS 17
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  1. Define microcirculation
    Arterioles, capillaries and venules
  2. Vasomotion
    • Precapillary smooth muscle rhythmic contractions
    • Causes discontinuous flow in capillary
  3. 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
  4. Types of lymphatic pumping
    • Intrinsic pumping - smooth muscle of lymph vessels
    • External compression - muscles around lymph vessels (unidirectional result due to valves)
  5. Factors of edema
    • Increased capillary permeability
    • Decrease in plama osmotic pressure
    • Elevated capillary pressure
    • Lymphatic obstruction

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