常見例句Results: Adrenergic fibers largely exist in adult cardiac conduction system,which mainly located in atrionector,little in atrioventricular node,and less in atrioventricular bundle. 結(jié)果:在心臟傳導系統(tǒng)中可見大量腎上腺素能神經(jīng)纖維,以竇房結(jié)最多,房室結(jié)次之,而房室束極少。 返回 atrionector