In order to study the cardiovascular effect of NO in conscious rats, sodium nitroprusside(SNP), the precursor of NO( L Arginine, Arg Arg) and one of the inhibitor of NOS ( N G nitro L arginine, NNLA) were intracerebroventricularly(icv) injected.

 
  • 给大鼠侧脑室内注射(icv)硝普钠(SNP)、NO的前体物质L?精氨酸(L?Arg)和精?精二肽(Arg?Arg),NO合成酶(NOS)抑制剂NG?硝基?L?精氨酸(NNLA),观察清醒状态大鼠血压和心率的变化,探讨脑内NO对清醒状态大鼠心血管活动的调节作用。
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