供血给大型动物心脏本身营养需要的特殊区域循环。又称冠脉循环。阻断冠状循环很快导致心搏的停止。人在静息状态下的冠状循环血流量 约为200毫升/分,剧烈运动时能增至1~1.5升/分。运动时心脏的工作量加大,冠状循环血流量增加可以满足心肌纤维对氧的需要。人冠状循环的血液经左右两冠状动脉向心肌纤维运输。
心脏自己另有一套冠状循环(coronary circulation),氧气经由两条冠状动脉分支成微血管床而到达心肌细胞。冠状动脉是主动脉的第一个分支,其管径非常小,它们可能因为心脏血管方面...
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冠状循环衰竭 coronary circulatory failure
冠状动脉循环 Coronary circulation ; RVDCC ; coronary circle
心脏和冠状循环诊断性影像检查的异常所见 Abnormal findings on diagnostic imaging of heart and coronary circulation
冠状动脉侧支循环 Coronary collateral circulation
冠状动脉微循环 Coronary Artery Microcirculation ; coronary microvascular risk factors
冠状微循环 Coronary microcirculation
非体外循环冠状手术 of-pump coronary artery bypass grafting surgery
冠状动脉侧支循环血管 coronary collateral vessels
血管一般是扩张的,但冠状循环和肺循环的血管则可出现收缩。
The blood vessels are in general dilated, although the cornary and pulmonary circulation may show the opposite response.
血管一般是扩张的,但冠状循环和肺循环的血管则可出现收缩。
To conserve blood that will be needed by muscles, skin vessels constrict while vessels of the muscles dilate.
血管一般是扩张的,但冠状循环和肺循环的血管则可出现收缩。
These drugs reduce blood pressure by blocking an enzyme that converts angiotensin to an active form that constricts blood vessels.
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