Requlation of Cardiovascular Activities Qiang X|A(夏强),PhD Department of Physiology Zhejiang University School of Medicine Te:88206417.88208252 Email:xiaqiang@zju.edu.cn
Regulation of Cardiovascular Activities Qiang XIA (夏强), PhD Department of Physiology Zhejiang University School of Medicine Tel: 88206417, 88208252 Email: xiaqiang@zju.edu.cn
Nervous Requlation Vasomotor cent Blood vagus Heart Vasoconstrictor Cardioinhibitor vasodilator Blood
Nervous Regulation
Innervation of the heart Cardiac sympathetic nerve Cardiac vagus nerve 1.起源 origin 2.节前纤维 preganglionic fiber 3.外周神经节 ganglion 4.节后纤维 postganglionic fiber 5.支配 distribution 6.递质 neurotransmitter
Innervation of the heart • Cardiac sympathetic nerve • Cardiac vagus nerve 1. 起源origin 2. 节前纤维preganglionic fiber 3. 外周神经节ganglion 4. 节后纤维postganglionic fiber 5. 支配distribution 6. 递质neurotransmitter
Ix afferent Carotid Medullary <. afferent Sinuses cardiovascular G centre Vagal mot Aortic baroreceptor Sympathetic effer T-十 Acetylcholine Vessel Sinu Interneuron node muscarinIc Adrenaline in blood Noradrenaline Acetylcholine transmitter Sympathetic stimulation increases contractility, frequency, conduction velocity, and irritability
Heart Blood vessel Vasoconstriction Entropy ChronotropyHt NE+NE十>NE→ Vasoconstriction Vas dilation Dromotropy Sympathetic Vasodilation Nerve Terminal ACh Parasympathetic Nerve Terminal Nerve Terminal gic Sympathetic Choliner