NR 6/2003
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Autoregulacja w siatkówkowym układzie krążenia
krwi
Autoregulation of the retinal circulatory system
Grzegorz Rakowski, Zofia Mariak, Sulyman Youns Jai Elmdhm
Z Kliniki Okulistyki Akademii Medycznej w Białymstoku
Kierownik: dr hab. n. med. Zofia Mariak |
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| Summary: |
Autoregulation plays an important role in the structures of
high metabolism, like the brain or the retina. It protects these organs against damaging
effects of abnormal blood flow. Specific anatomical and physiological features of these
organs play a role in this process. In the retinal autoregulation most important are: 1)
endothelium of the capillary vessels and 2) the contractile elements of the vessels'
walls.
Substances that are secreted by the endothelium can directly modify the function of the
local circulation. One of the most important is the endothelium derived relaxing factor
(EDRF), which has been identified as endogenous nitrous oxide (NO). We have attempted to
systematize current knowledge about the autoregulatory processes in the retina. |
| Słowa kluczowe: |
siatkówka, krążenie krwi, autoregulacja. |
| Key words: |
retina, blood circulation, autoregulation. |
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