Sympathetic vasoconstriction in the rat anterior choroid is mediated by alpha1-adrenoceptors.

@article{Kawarai1998SympatheticVI,
  title={Sympathetic vasoconstriction in the rat anterior choroid is mediated by alpha1-adrenoceptors.},
  author={Mitsue Kawarai and Michael C. Koss},
  journal={European journal of pharmacology},
  year={1998},
  volume={363 1},
  pages={
          35-40
        }
}
These experiments were undertaken in an attempt to use laser-Doppler flowmetry to measure anterior choroidal blood flow in the anesthetized rat and to study the mechanism by which sympathetic nerve stimulation might produce vasoconstriction in this vascular bed. Electrical stimulation of the preganglionic cervical sympathetic nerve produced reproducible, frequency-related ocular vasoconstrictor responses with maximal vasoconstriction seen at about 32 Hz. Ocular vasoconstrictor responses were… CONTINUE READING

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