方法：解剖和观测大鼠面神经颅外段。
Methods: the extracranial section of the rat facial nerve was dissected and observed.
视锥和视杆均含有连接纤毛和辅助外段。
Connecting cilium and accessory outer segment are present in both rods and cones.
该弹子的内外段弹子交界处位于转动面以内。
A juncture of the internal and external section marbles in the marble is positioned within a rotating plane.
目的探讨颅外段椎动脉夹层的彩色多普勒超声表现。
Objective To explore the characteristics of colour doppler flow imaging (CDFI) in the diagnosis of extracranial vertebral artery dissection (EVAD).
抗凝治疗是颅外段颈动脉夹层分离的最佳治疗选择吗?。
Is AnticoagulantTherapy the Best Treatment Option for Extracranial Carotid ArteryDissection?
结论血管内支架成形术治疗颈动脉颅外段狭窄安全、有效。
Conclusions Endovascular stent angioplasty was a safe, effective for stenosis of extracranial ICA.
目的：观察椎动脉颅外段的侧支吻合情况，并探讨其临床意义。
Objective: to observe the morphological pattern of collateral anastomoses of extracranial vertebral arteries and discuss its clinical significance.
目的探讨彩色多普勒超声对脑梗塞患者颅外段椎动脉血流的检查价值。
Objective To study the values of color Doppler ultrasonography (CDU) for the extracranial vertebral artery flow in cerebral infarction patients.
结论PTAS是治疗老年颅外段颈动脉狭窄的简便安全有效方法之一。
Conclusion PTAS is an easy and safe therapy for aged patients with extracranial carotid stenosis.
斑块发生率及颅外段颈动脉狭窄程度与脑血管病危险因素有明显相关性。
The severity of stenosis of the extracranial carotid and the formation of the atherosclerotic plaques were significantly correlated to the risk factors of cerebrovascular disease.
该弹子的内外段弹子交界处位于转动面以外，该弹子被其他方向的弹子顶住。
The juncture of the internal and external section marbles in the marble is positioned outside the rotating plane, and the marble is withstood by marbles in other directions.
方法用TCD检测16例一侧颈内动脉(ICA)颅外段严重狭窄或闭塞患者。
Mothods 16 cases of internal carotid artery (ICA) stenosis and occlusion were evaluated by transcranial doppler (TCD).
结论颈动脉超声可直接显示颅外段颈动脉管壁病变，并能较准确判定颈动脉狭窄程度。
Conclusion carotid artery ultrasonography can directly show the extracranial carotid canal disease and determine accurately the narrow extent of carotid artery.
结论：在老年原发性高血压合并静止性脑梗死患者中，颈动脉颅外段狭窄有较高的患病率。
Conclusion: There was a high incidence of extracranial carotid artery stenosis in the elder with essential hypertension complicated silent cerebral infarction.
目的探讨老年颅外段颈动脉狭窄患者经皮血管内支架置入血管成形治疗及围手术期护理等相关问题。
Objective To discuss percutaneous angioplasty and stenting and perioperative nursing in old patient with stenosis of extracranial carotid artery.
目的克隆人促甲状腺激素受体胞外段基因，构建重组真核表达质粒，获得具有免疫学活性的纯化重组蛋白。
Objective to clone and construct the plasmid containing human thyroid stimulating hormone receptor (TSHR) gene ectodomain, and then identify the immunoreactivity of the purified recombinant protein.
目的研究颈内动脉颅外段（EICA）狭窄或闭塞患者大脑中动脉（MCA）平均血流速度（MV）与病情和分水岭梗死的关系。
Methods Transcranial Doppler(TCD) was used to detect the mean velocity(MV) of MCA in 120 patients with EICA stenosis or occlusion.
目的研究颈内动脉颅外段（EICA）狭窄或闭塞患者大脑中动脉（MCA）平均血流速度（MV）与病情和分水岭梗死的关系。
Methods Transcranial Doppler(TCD) was used to detect the mean velocity(MV) of MCA in 120 patients with EICA stenosis or occlusion.
应用推荐