The parasympathetic relaxes the plexuses while the sympathetic squeezes the energy by constricting them . one fills in the vitality and the other consumes it 副交感神经系统令神经丛得以舒缓，而交感神经系统则是去挤压它，使之释放出更多的能量。
In 1960s he studied the characteristics of the sympathetic nerve discharges . then he joined the research project on the mechanism of acupuncture analgesia 二十世纪六十年代，他的研究课题是交感神经放电的特征，后来参加针刺镇痛机制和针刺麻醉的研究。
In 1960s he studied the characteristics of the sympathetic nerve discharges . then he joined the research project on the mechanism of acupuncture analgesia 二十世纪六十年代，他的研究课题是交感神经放电的特征，后来参加针刺镇痛机制和针刺麻醉的研究。
2 weber ma , byyny rl , pratt jh , et al . blood pressure effects of the angiotensin ii receptor blocker , losartan . west j med , 1998 , 168 : 272 5孙宁玲，洪婷婷，王鸿懿，等.原发性高血压交感神经活性的变化及缬沙坦对其活性的影响.中国循环杂志, 2001 , 16 : 331 - 333
In contrast to white fat , brown fat is richly vascularized and has numerous unmyelinated nerves which provide sympathetic stimulation to the adipocytes 和白色脂肪组织比较起来，棕色组织有充分的血管浸润，而且有许多无髓鞘的神经提供交感神经对脂肪细胞的刺激。
Sympathetic innervation of the juxtaglomerular apparatus in the kidney releases renin ; angiotensin stimulates autonomic centers in the brain to increase sympathetic discharge 肾脏肾小球旁体的交感神经支配释放肾素；血管紧张素刺激大脑自主中枢，增加交感冲动发放。
For example , if we want to increase the rate of our heartbeat , we can do so by exerting ourselves activity of the sympathetic nervous system 例如，如果我们要增加心跳的速度，我们可以通过交感神经系统的活动对心脏施加压力。可是副交感神经系统却会使心跳回复正常。
While well - trained athletes generally have increased parasympathetic tone at rest , researchers expected sympathetic effects to last well after a triathlon 虽然受过良好训练得运动员在休息时副交感得作用会增强些，但研究者希望在三项全能比赛后，交感神经的效应保持良好。
