posterior segment
后段：眼球的后部
常用释义
英式发音
美式发音
基本释义
- 后段：眼球的后部，包括玻璃体、视网膜、脉络膜和眼底。
例句
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1·Results: All cases were located in the posterior segment of lower lobes of both lungs.结果：13例患者的病灶均位于两肺下法后基底段。
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2·Methods Vitrectomy treated 37 patients (37 eyes) with intraocular foreign bodies in the posterior segment.方法对37例(37只眼)眼后段异物患者进行玻璃体切除术治疗。
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3·Objective To investigate treatment of the posterior sclera ruptured with posterior segment severely injured.目的研究严重后巩膜破裂伤的手术治疗。
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4·Methods 3 cases of ocular anterior and posterior segment changes and prognosis were retrospectively analysed.方法回顾分析了3例眼部蜂蜇伤的眼前段和眼底改变及预后。
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5·Several arc echoes at the posterior segment of eye were detected in the silicon-oil-filling eyes with retinal detachment.合并视网膜脱离的硅油填充眼可见眼后节多个弧形回声带。
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6·Ultrosonography ha corrective diagnosis for posterior segment trauma and provide the part of proof for anterior chamber depth and lens injury.超声对眼后段伤诊断准确，对前房深浅、晶体损伤可提供部分声像佐证。
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7·Methods 15 patients who had severe anterior and posterior segment disorder were investigated retrospectively to obtain the principles of treatment.方法回顾性分析了15例（15眼）伴有严重眼前后段损伤眼的眼前段紊乱处理方法。
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8·CONCLUSION: Form deprivation can lead to prolonged axial length in chicken, which is mainly the lengthening of posterior segment, thus induce axial myopia.结论：形觉剥夺可导致幼鸡眼轴增长，诱发轴性近视，此眼轴增长主要是眼球后段的增长。
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9·Objective To study retrospectively the clinical effects and investigation of intraocular foreign bodies in the posterior segment which treated by vitrectomy.目的观察玻璃体切除术治疗眼后段异物的临床效果。
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10·Postprimary tuberculosis appears as upper lobe apical/posterior segment heterogenous consolidation with cavitation, with thick, nodular, and irregular walls.原发后结核表现为肺上叶尖段、后段的，不均质的含空洞的实变影，呈厚的、结节样、不规则的壁；