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大鼠主动脉α_１肾上腺素能受体激活引起Ｃａ~（２＋）内流的特性南通医学院药理学教研室徐济良等在大鼠主动脉平滑肌标本上，钙通道阻断剂──硝苯吡啶（０．５μｍｏｌ·Ｌ－１）能完全阻断由ＫＣｌ（１００ｍｍｏｌ·Ｌ－１）引起的血管收缩和４５Ｃａ内流，并部分抑制...
Rat aorta 1 adrenergic receptor activation Ca ~ (2) influx of the characteristics of Nantong Medical College Department of Pharmacology Xu Jiliang and other rat aortic smooth muscle specimens, calcium channel blockers ─ ─ nifedipine (0 .5μmol·L-1) could completely block the vasoconstriction and 45Ca influx induced by KCl (100mmol·L-1) and partially inhibit