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节前纤维
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  preganglionic fibers
     This study was to localize the position of spinal center of sympathetic nerve which controls the pulmonary circulation in pithed rat model. The sympathetic preganglionic fibers arising from C7-T10 spinal segments were stimulated electrically in succession.
     在大鼠毁髓模型上,对由脊髓C_7~T_(10)节段发出的交感节前纤维逐节进行电刺激时,发现肺循环阻力(PVR)均有不同程度的升高,但在刺激脊髓C_7~T_4节段时PVR升高最为显著(对照值的28%),明显高于其余各节段电刺激后PVR增加的水平。
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     After vagotomy of preganglionic fibers in the anterior gastric corpus wall of rats, retrograde-labelling of Horseradish Peroxidase (HRP) was used to detect the regeneration of vagus nerve.
     在小弯侧切开大鼠胃体前壁以完全切断分布至胃体前壁的迷走神经节前纤维.
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  “节前纤维”译为未确定词的双语例句
     Results 89.1% lesser splanchnic nerve is formed by fibers originating from T9~11 sympathetic ganglia fiber; 96.9% fiber of lesser splanchnic nerve originates from one or two thoracic ganglia; 65.6% lesser splanchnic nerve goes into the abdominal cavity through the part between intermediate crus and medical crus of diaphragm.
     结果89.1%的内脏小神经由穿T9~11交感神经节的节前纤维组成,96.9%内脏小神起自1~2个胸交感神经节,65.6%的内脏小神经穿膈中间脚与内侧脚之间进入腹腔,18.8%的内脏小神经穿膈中间脚与外侧脚之间进入腹腔。
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     Micro-measurement for chicken vestibular nerve fibers anterior ganglion by computer assistantance
     鸡前庭神经节节前纤维计算机辅助显微测量
短句来源
     consider that the parasgmpathetic preganglionic fibres originates from the left motor nuclei of the vagus nerve mainly.
     因此,作者认为:大鼠胃体前壁迷走神经节前纤维主要来自左侧迷走神经背核。
短句来源
     In the present study, the rapid effect of hydrocortisone 21-hemisuccinate (F-suc) on the amplitude of f-EPSP of B cells in isolated bullfrog symathetic ganglia was examined with the use of intracellular recording technique.
     用单个方波电刺激牛蛙离休椎旁神经节节前纤维,细胞内记录节后B细胞快兴奋性突触后电位(f-EPSP),观察糖皮质激素(GC)对B细胞f-EPSP,的快速抑制作用。
短句来源
     Results: In the aganglionic segment in HD, NO synthase activity was almost completely absent and AchE-positive nerve fibers were apparently increased in the plexus area and in the musculature.
     结果:HD病人无神经节细胞肠段内含一氧化氮合成酶(NOS)和AchE的神经元完全缺失,胆碱能节前纤维异常增生,而有神经节细胞肠段呈正常表现;
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  相似匹配句对
     Micro-measurement for chicken vestibular nerve fibers anterior ganglion by computer assistantance
     鸡庭神经纤维计算机辅助显微测量
短句来源
     THE CHANGES OF INTRAGANGLIONIC CATECHOLAMINE FLUORESCENCE OF RAT SYMPATHETIC GANGLION AFTER PREGANGLIONIC DEAFFERENTATION
     断纤维后大鼠交感神经内儿茶酚胺荧光的变化
短句来源
     Serotoninergic fibers were observed in all subpopulations of the preganglionic sympathetic neurons.
     5-HT纤维见于交感神经元所在的各亚核区。
短句来源
     THE EFFECT CN THE PARASYMPATHETIC NERVE OF THE SUBMANDIBULAR GLANDS IN RATS BY SYMPATHETIC DENERVATION OR SECTION OF THE SYMPATHETIC PREGANGLIONIC FIBRES
     去交感神经或断纤维对大鼠颌下腺副交感神经的影响
短句来源
     A NOTE ON THE NODES OF THE MEDULLATED FIBERS IN THE CENTRAL NERVOUS SYSTEM
     中枢神经系统有髓纤维上的
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  preganglionic fiber
The preganglionic fiber peak was at 2.5 μm and had, on the average 4198 fibers.
      
Isohemotransfusion increases the function of a denervated sympathetic node (section of a preganglionic fiber) demonstrating the automatic effect of the transfused blood on the functional condition of the nervous system.
      
The principal input consists of one preganglionic fiber, the discharge in which evokes an action potential in the neuron with a high safety factor.
      
  preganglionic fibers
Seven days after the preganglionic fibers have been cut, most of the axon terminals in the ganglion undergo degeneration.
      
Ten days after transection of the preganglionic fibers, most of the degenerating axon terminals have disappeared, and only dark bodies, remnants of such endings, are seen in the glial cytoplasm.
      
The number of preganglionic fibers reliably reflected the intermediolateral column neuron cell body (ILC) counts previously done on the same cases at the corresponding level-in itself evidence that these tibers are axons of ILC neurons.
      
There was a statistically significant attrition of preganglionic fibers with age.
      
The finding that ENK- and BOMB-IR coexist in some nerves suggests that some ENK-IR nerves may originate from gut, although the major part probably represents preganglionic fibers originating from spinal cord.
      
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  preganglionic nerve fibers
The gradual rise of the specific radioactivity in alkenylacyl-GPE of the oculomotor nerve and more specifically of the myelin fraction was corroborated by a gradual accumulation of the label in the myelin sheath of the preganglionic nerve fibers.
      
At stimulation of preganglionic nerve fibers of the tracheal preparations with intramural ganglia in rats with acute alveolitis, the value and rate of smooth muscle contraction decreased, while the response LP increased.
      
Prednisolone at a concentration of 0.4 μg/l decreased responses of smooth muscle on stimulation of preganglionic nerve fibers at trachea areas with intramural ganglia in rats with acute alveolitis by 48%, while in normal rats-by 19% of control.
      
After transection of the preganglionic nerve fibers for eleven days or more, very few fibers staining for GABA were seen in the ganglion.
      
AChE reaction product is also detected on the axolemmal membranes of the preganglionic nerve fibers in the sympathetic ganglia of rats and hamsters.
      
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The effect of four anticholinesterase agents on the hypotensive action of TEA was studied in rats anaesthetized with urethane. Pretreatment with neostigmine, lycoramine and galanthamine antagonized and reversed the depressor action of TEA, the first two being stronger than the last one. The effect of eserine on the hypotensive action of TEA was not significant. The presser phase of TEA was diminished or abolished by acute adrenalectomy as well as by pretreatment with atropine, but was not significantly influenced...

The effect of four anticholinesterase agents on the hypotensive action of TEA was studied in rats anaesthetized with urethane. Pretreatment with neostigmine, lycoramine and galanthamine antagonized and reversed the depressor action of TEA, the first two being stronger than the last one. The effect of eserine on the hypotensive action of TEA was not significant. The presser phase of TEA was diminished or abolished by acute adrenalectomy as well as by pretreatment with atropine, but was not significantly influenced by decapitation or treatment with hydergine. While the hypotensive action of TEA was influenced by these anticholinesterase agents, its depression of responses of nictitating menbrane to pre-ganglionic nerve stimulation remained unaffected.

用烏拉坦麻醉的大白鼠研究了四种抗胆碱酯酶药对TEA降压作用的影响。新斯的明、力可拉明与加兰他明預先应用則TEA的降压作用被对抗与翻轉,新斯的明、力可拉明較著,而加兰他明較弱;依色林对TEA的降压作用影响不显著。TEA的加压相可被双侧腎上腺切除,阿托品处理减弱或取消。脊髓切断、Hydergine的应用均对TEA加压相无显著影响。 預用某些抗胆碱酯酶药,取消了TEA的降压作用,但并不明显影响其对刺激頸交感节前纤維所致瞬膜收縮的抑制。看来某些抗胆碱酯酶药用后TEA所引起的加压相,其机制可能主要是兴奋交感神經节,其次为激活腎上腺髓质。

In anesthetized cats, an intravenous injection of lycoramine at 3—5 mg/kg produced a transient fall of systemic blood pressure, potentiated the hypotensive response elicited by acetylcholine or by the electrical stimulation of the peripheral end of vagus, and increased the activity of smooth muscle in the intestines. This drug also enhanced the blocking action of suceinylcholine on the myoneural junction. Under the same experimental conditions, galanthamine in doses of 0.25—2mg/kg produced similar effects. When...

In anesthetized cats, an intravenous injection of lycoramine at 3—5 mg/kg produced a transient fall of systemic blood pressure, potentiated the hypotensive response elicited by acetylcholine or by the electrical stimulation of the peripheral end of vagus, and increased the activity of smooth muscle in the intestines. This drug also enhanced the blocking action of suceinylcholine on the myoneural junction. Under the same experimental conditions, galanthamine in doses of 0.25—2mg/kg produced similar effects. When the solution of lycoramine was applied Iocally to the rabbit's eye, it caused pupillary constriction and abolished the mydriatic action of atropine. In vitro, lycoramine increased the reactivity of guinea-pig ileum and frog's rectus abdominis muscle to acetylcholine. In cats intravenous or intra-arterial (through lingual artery) injections of lycoramine or galanthamino produced no marked influence on the contractions of nictitating membranes elicited by electrical stimulation of preganglionic fibers, but theypotentiated the action of acetylcholine injected through lingual artery. In EEG recordings of normal rabbits lyooramine (15—20mg/kg) or galanthamine(3—5mg/kg)induced the arousal response and this action could be antagonized by some anticholinergic drugs such as atropine, scopolamine or benactyzine.

給麻醉猫靜脉注射力可拉敏3—5毫克/公斤后,能引起血压的短暫下降,加强注射乙酰胆碱或电刺激迷走神經外周端的降压反应,兴奋腸肌,和加强琥珀酰胆碱的阻断神經肌肉間的傳递作用。用加兰他敏0.25—2毫克/公斤試驗时,也能观察到上述作用。将力可拉敏溶液滴入兔眼內,能使瞳孔縮小,并有对抗阿托品的扩瞳作用。在离体試驗时,力可拉敏能提高豚鼠腸肌或蛙腹直肌对乙酰胆碱的敏感性。在麻醉猫的頸交感神經节試驗中,靜脉或动脉內注射力可拉敏和加兰他敏,对电刺激交感节前纤維引起的瞬膜收縮无明显影响,但能加强舌动脉注射乙酰胆碱的作用。力可拉敏(15—20毫克/公斤)和加兰他敏(3—5毫克/公斤)能使清醒家兔的皮层自发脑电活动,产生惊醒反应。阿托品,东茛菪碱或貝納替秦对上述惊醒反应有对抗作用。

(1) The analgesic potency of acepromazine in a dose of 0.5 mg/kg was somewhat inferior to that of morphine (2mg/kg). By combining these two drugs, the analgesic effect was summated and the duration of action was prolonged. (2) After intracerebral injection, acepromazine produced more prominent tranquilizing and hypothermic effects than those elicited by hypodermic administration. It could also potentiate the hypothermic action of chloral hydrate and antipyrin. (3) Acepromazine, applied locally or injected...

(1) The analgesic potency of acepromazine in a dose of 0.5 mg/kg was somewhat inferior to that of morphine (2mg/kg). By combining these two drugs, the analgesic effect was summated and the duration of action was prolonged. (2) After intracerebral injection, acepromazine produced more prominent tranquilizing and hypothermic effects than those elicited by hypodermic administration. It could also potentiate the hypothermic action of chloral hydrate and antipyrin. (3) Acepromazine, applied locally or injected subcutaneously, produced definite surface anaesthesia in rabbit's cornea and potentiated the anaesthetic action of procaine. (4) The vasopressor response to 5 γ/kg of adrenaline in the anaesthetized cats was reduced by 2.5 γ/kg of acepromazine and reversed by 5 γ/kg of the antagonist. The contraction of the nictitating membrane due to preganglionic sympathetic stimulation and injection of adrenaline was reduced by the larger dose. (5) When the periarterial nerves of Finkleman's preparation were stimulated, the motor activity of the isolated rabbit's ileum was decreased and the tone was reduced. This inhibitory response to the nerve stimulation was potentiated by acepromazine and chlorpromazine in the concentrations of 1:1,000,000-4:1,000,000. It is concluded that acepromazine and chlorpromazine do not interfere, with the release of noradrenaline from the post-ganglionic sympathetic nerve endings.

(1)采用热水刺激小白鼠尾巴法試驗鎮痛作用,乙酰普馬嗪0.5毫克/公斤可使“疼痛”反应出現时間延迟,較盐酸嗎啡(2毫克/公斤)为弱;二者均以半量合并应用,鎮痛作用强度虽未見加强,但鎮痛时間則延长。(2)脑室內注射乙酰普馬嗪,可立即引起小白鼠安靜,并使其体溫明显下降;皮下注射同剂量时,安靜及降溫作用均不显著,但可明显加强安替比林及水合氯醛的降溫作用。(3)乙酰普馬嗪局部滴药及皮下注射均可产生角膜麻醉,并可加强普魯卡因的表面麻醉作用,尤以皮下注射法为强。(4)乙酰普馬嗪2.5微克/公斤即可減弱腎上腺素的升压作用;5微克/公斤时,使后者作用翻轉,并使电刺激交感神經节前纤維及注射腎上腺素所引起的瞬膜收縮反应減弱。(5)在离体兔神經——迴腸标本,电刺激交感神經节后纤維引起腸张力下降,运动減弱,乙酰普馬嗪及氯丙嗪均可加强此交感反应。

 
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