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diffuse axonal injury;calcium;

English translation: 弥散性轴索损伤;钙


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11:33 Jun 2, 2011
Chinese to English translations [PRO]
Medical - Medical: Pharmaceuticals / 神经外科
Chinese term or phrase: diffuse axonal injury;calcium;
病理动态过程:
对照组光镜下HE染色大脑皮质微血管周间隙正常,管壁结构完整,内皮细胞光滑,管腔内无血液成分;神经细胞大小正常,胞核居中,核浆比无异常,胞内结构清晰可见。Glees-Marsland镀银染色脑干轴突光滑连续,走形自然。透射电镜下血管内皮细胞完整,管腔内空旷;神经元细胞电子密度正常,核膜完整光滑,核内染色质分布均匀,核仁大而明显。细胞质内核糖体丰富,线粒体圆形,分散在胞质中;轴突内可见丝状的神经原纤维及线粒体,轴突外包有髓鞘,为明暗相间的同心圆板层结构。
伤后2h组光镜下HE染色大脑皮质可见部分血管壁缺损,内皮肿胀及红细胞漏出,部分血管周围间可见血浆漏出,神经细胞肿胀及间质肿胀不明显。Glees-Marsland镀银染色胼胝体区及大脑皮髓交界区轴突肿胀,部分程串珠样改变,轴突球形成(图1B)。透射电镜下见微血管管周结构溶解,血管内壁粗糙,内皮细胞局部胞浆出现空泡,基底膜尚完整,细胞器、细胞核变化不明显,管周胶质足突肿胀;可见较多轴索肿胀,少量断裂,其内结构部分溶解,神经元纤维及线粒体减少;神经元胞体轻度肿胀,电子密度降低,细胞核圆形,核内染色质轻度凝集,部分核仁未见,胞质内细胞器丰富,线粒体轻度肿胀(图2)。
伤后6h组光镜下HE染色大脑皮质可见部分微血管内皮肿胀,周围间隙增大,部分血管管腔塌陷,少量微血栓形成;细胞间质水肿淡染,部分神经元核固缩,胞体轻度肿胀。Glees-Marsland镀银染色胼胝体区及大脑皮髓交界区轴突肿胀,较多轴突球形成。透射电镜下见微血管内皮细胞肿胀,管周部分区域溶解成空白区,电子密度降低;可见大量轴索肿胀,部分断裂, 多数髓鞘中央的轴突肿胀,结构溶解,神经元纤维及线粒体消失,髓鞘成为空壳样结构,板层结构消失;神经元肿胀较前明显,细胞质内的线粒体肿胀明显,嵴减少或消失呈空泡状,粗面内质网池样扩张,高尔基体扁平囊扩张(图2)。
伤后12h组光镜下HE染色大脑皮质可见微血管内皮细胞增生,管周间隙增大及广泛微血栓形成,广泛神经细胞明显核固缩,细胞水肿,皮质部分区域胶质细胞团状增生,神经元及细胞间质水肿。Glees-Marsland镀银染色胼胝体区及大脑灰白质交界区轴突肿胀较前减轻,较少见轴突球,神经元胞体肿大。透射电镜下见细胞间血管水肿,管周结构溶解,血管内皮细胞不完整,管腔内充满血小板,较多微血管管腔塌陷;轴索肿胀较前减轻,仍有部分断裂,轴索内细胞器肿胀较前减轻;可见大量神经元胞体明显肿胀,电子密度进一步下降,核内染色质松散,细胞内线粒体肿胀明显,线粒体嵴消失呈空泡状,较多粗面内质网池样扩张,高尔基体扁平囊扩张,胞质内细胞器构紊乱(图2)。
伤后24h组光镜下HE染色大脑皮质微血管无明显形态学改变,细胞间质中散在含铁血黄素沉积;神经细胞核固缩较前减轻,细胞水肿不明显,团状胶质细胞增生较前增多。Glees-Marsland镀银染色胼胝体区及大脑皮髓交界区轴突肿胀较前减轻,散在可见轴突球,小脑轴突肿胀及ARB形成。透射电镜下微血管未见明显形态学改变;轴索髓鞘肿胀,鞘板层松散、分离,轴突轻度肿胀,少见轴索断裂,神经元纤维及线粒体减少髓微管减少;神经元轻度肿胀,电子密度降低,线粒体肿胀,粗面内质网扩张,高尔基体轻度肿胀,扁平囊扩张(图2)。
liyu510
English translation:弥散性轴索损伤;钙
Explanation:
简明英汉词典
--------------------------------------------------------------------------------


diffuse axonal injury
弥散性轴索损伤

爱词霸网络百科
--------------------------------------------------------------------------------


diffuse axonal injury
【医】弥散性轴索损伤

英汉医学名词
--------------------------------------------------------------------------------


diffuse axonal injury
弥散性轴索损伤
Selected response from:

J.H. Wang
China
Local time: 07:30
Grading comment
Selected automatically based on peer agreement.
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +3弥散性轴索损伤;钙
J.H. Wang


  

Answers


46 mins   confidence: Answerer confidence 5/5 peer agreement (net): +3
弥散性轴索损伤;钙


Explanation:
简明英汉词典
--------------------------------------------------------------------------------


diffuse axonal injury
弥散性轴索损伤

爱词霸网络百科
--------------------------------------------------------------------------------


diffuse axonal injury
【医】弥散性轴索损伤

英汉医学名词
--------------------------------------------------------------------------------


diffuse axonal injury
弥散性轴索损伤


J.H. Wang
China
Local time: 07:30
Specializes in field
Native speaker of: Native in ChineseChinese
PRO pts in category: 4
Grading comment
Selected automatically based on peer agreement.

Peer comments on this answer (and responses from the answerer)
agree  Weiping Tang
58 mins

agree  Ivan Niu
2 days8 mins

agree  robinmeng66
3 days16 hrs
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