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中央动脉的
相关语句
  central artery
    Objective:To investigate the architecture of collagen fibers of human sinoatrial node and its relationship to the central artery penetrated to the node.
    目的 :观察人窦房结胶原纤维网架的构筑及其与窦房结中央动脉的关系。
短句来源
  “中央动脉的”译为未确定词的双语例句
    (2)The origins of central retinal arteries (CRA) varied from 7.40mm behind the angle of OA to 3.90mm in front of it. It was 8.46±1.91mm from penetrate-sheath-point of CRA to posterior pole of eyeball.
    (2 )视网膜中央动脉的起点多集中在眼动脉角后约 7.4 0mm至角前约 3.90mm的范围内 ,视网膜中央动脉穿视神经鞘处至眼球后极的距离平均为 (8.4 6± 1.91)mm。
短句来源
    MICROSURGICAL ANATOMY OF THE CENTRAL RETINAL ARTERY OF THE FETUS
    胎儿视网膜中央动脉的显微外科解剖
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  central artery
In the first delay (arterial ligation group), the central artery was ligated at the proximal and distal edge of the flap, and the flap was harvested after two weeks.
      
In the second delay (arteriovenous shunt group), the central artery was anastomosed to the lateral caudal vein at the proximal part of the ear to create an arteriovenous shunt and to increase blood flow in the venous system.
      
External compression reduced local artery stiffness of the compressed limb while having no effect on arterial stiffness of the non-compressed limb or central artery stiffness.
      
These observations may be compatible with the idea of an innervation of the central artery of the retina which is non-autonomic, possibly intrinsic in nature.
      
The penicillar capillaries of one central artery are enveloped by a single branching sheath or sleeve: the ellipsoid or Schweigger-Seidel sheath.
      
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Intracortical distribution of arteries were studied on thick sections prepared from brains of 11 newborns after injection and fixation. The results are as follows.

用注射、固定透明的脑厚切片在立体解剖显微镜下观察了十一个新生儿大脑内微动脉的走行与配布。各大脑动脉在大脑表面反复分支,互相吻合,形成多角形和不规则形的软膜动脉网。各脑回内微动脉的走行和配布形象具有共同特征。皮质动脉由软膜动脉网发出,与脑表面垂直穿入大脑皮质,在皮质内是直行的,排列整齐,随沟回起伏。皮质长动脉管径为16~31微米,短的为7.5~15.4微米,形成多角形或不规则形的毛细血管网。髓质动脉从回顶穿入的完全直行,长的直达髓质深部,管径为48~61微米,短的只35~47微米。从脑沟穿入的髓质动脉在皮质内是直行的,至髓质则有不同程度的弯曲,随同纤维方向行走。髓质动脉的分支也都以直角分出,行一短程,又“T”形分叉,互相连接,构成近似长方格形的毛细血管网。中央动脉由脑底等处穿入,至纹状体的动脉在穿入脑实质以后,沿壳核浅层扇形分开,弧形上行;丘脑的动脉从后外、下内及上面各方面穿入,分支也均呈锐角,经3~4级分支后形成多角形,三角形、近圆形和不规则形毛细血管网。内囊的动脉多顺纤维方向行走,也直角分支,“T”形分叉,形成近似长方格形的毛细血管网,但杂有横行从豆状核至尾状核的分支。

1.The external features and arterial supply of the papillary muscles of the leftventricle were studied in 54 human,52 dogs' and 110 rabbits' hearts.Radiopaquemedium or Chinese ink were injected into coronary arteries.After injection,arter-iography of some hearts were taken,and serial celloidin sections of the papillarymuscles of other hearts were made.The diameters of the papillary arteries and thedensity of the vessels were measured.2.The papillary muscles could be divided into three patterns,depending on theextent...

1.The external features and arterial supply of the papillary muscles of the leftventricle were studied in 54 human,52 dogs' and 110 rabbits' hearts.Radiopaquemedium or Chinese ink were injected into coronary arteries.After injection,arter-iography of some hearts were taken,and serial celloidin sections of the papillarymuscles of other hearts were made.The diameters of the papillary arteries and thedensity of the vessels were measured.2.The papillary muscles could be divided into three patterns,depending on theextent of their attachment to the ventricular wall and the relative length of theirfree part protruding into the ventricular cavity.The three patterns were as follows:(1)The attached type,the papillary muscle was largely adherent to the sucbjacentventricular myocardium,with only one third or less of its length protruding into theventricular cavity(34% in human hearts,100% in dogs' and 38% in rabbits').(2)The free type,the free end of the papillary muscle was one half of its length ormore(28% in human hearts,10% in rabbits').(3)The intermediate type,thelength of the free protruding part of the papillary muscle was intermediate between(1)and(2)(38% in human hearts,52% in rabbits').3.In the human and the dogs' hearts the anterolateral papillary muscle receivedbranches from the anterior descending artery and the diagonal left ventricularbranches or the left circumflex artery;while in the rabbits' it received branchesmainly from the anterior branches of the left ventricular artery.The posteromedialpapillary muscle received a variable supply from the left circumflex artery and orthe branches of the right coronary artery in the dogs' hearts and in the human hearts,while in the rabbits' hearts,it mainly received branches from the posteriorbranches of the left ventricular artery.4.The arrangement of the arterial vasculature of the papillary muscle seemedto be related to the different patterns of the papillary muscles.The free typereceived a large central artery which coursed through the entire papillary muscle toits apex(87.5%).The attached type had a segmental supply of 3~9 long penetrat-ing intramyocardial vessels(94.29%).The intermediate type had a combination ofboth types of vascular arrangement(98.5%).5.The average diameter of the central arteries was 617.50 μ in human hearts atits entry into the base of the papillary muscle,and 236.05 μ in rabbits.The dia-meters of the segmental arteries were 323.60 μ in human hearts,300.05 μ in dogs',121.78 μ in rabbits' respectively.The diameters of the capillary vessels were 5~8 μin human hearts,3~6 μ in dogs',2.5~6 μ in rabbits' respectively.The numbersof capillaries that observed in a length of 200μ were 15.45 in human hearts,16.2in dogs',19.3 in rabbits'.The specific values of the density of vessels per unitarea were 34.4% in human hearts,34.1% in dogs',56% in rabbits'.

本文采用冠状动脉造影、注射墨汁火棉胶切片法,观察了人心、狗心和兔心左室乳头肌形态和动脉分布的特点。乳头肌的形态,根据其附着心壁的程度分为:1.附着型,人心占34%;狗心占100%;兔心占38%。2.游离型,人心占28%;兔心占10%。3.中间型,人心占38%;兔心占52%。乳头肌动脉的主要来源:前外组乳头肌在人心及狗心多数由前降支发出的分支供应;兔心主要由左室支的左室前支供应。后内组乳头肌在人心、狗心主要由右或左冠状动脉的左室后支供应;兔心主要来自左室支的左室后支。乳头肌动脉的分布类型与乳头肌形态的关系:1.游离型乳头肌,主要为中央动脉型,占87.5%。2.附着型乳头肌,主要为节段动脉型,占94.29%。3.中间型乳头肌,主要为混合动脉型,占98.59%。本文测量了乳头肌血管的口径和密度,还讨论了乳头肌动脉的来源、分支分布类型在人、狗、兔的不同特点,以及对乳头肌梗塞的应用意义。

With the same methods and materials as described in the first part of this study, the coordinate positions of the lateral cerebral fissure and 9 cortical branches of the middle cerebral artery are determined.

用与本研究第一部分相同的材料和方法,测定了大脑外侧裂和大脑中动脉9个皮质支穿出大脑外侧裂处的平均坐标位置.主要结果是:1.大脑外侧裂前端投影的平均坐标是(36.86±5.43,42.84±4.73);交Y轴于y=51.94±4.21处,后端投影的平均坐标是(-22.35±9.74,58.89±5.61);终末升支末端投影的平均坐标是(-28.39±9.43,70.19±5.95).2.大脑中动脉9个皮质支穿出大脑外侧裂处的平均投影坐标分别是:中央前动脉为(24.30±8.09,48.11±4.69);中央动脉为(5.26±10.17,51.42±5.29);顶前动脉为(-12.16±8.81,57.56±6.68);顶后动脉为(-22.79±9.69,63.17±7.43);角回动脉为(-15.22±12.59,57.17±5.98);颞枕动脉为(-3.82±12.59,53.17±5.73);颞后动脉为(7.18±9.46,50.95±4.89),颞中动脉为(20.75±9.02;48.07±5.09);颞前动脉为(32.48±5.86,44.28±4.41).3.根据对材料的分析,建议将上述9支动脉归纳成...

用与本研究第一部分相同的材料和方法,测定了大脑外侧裂和大脑中动脉9个皮质支穿出大脑外侧裂处的平均坐标位置.主要结果是:1.大脑外侧裂前端投影的平均坐标是(36.86±5.43,42.84±4.73);交Y轴于y=51.94±4.21处,后端投影的平均坐标是(-22.35±9.74,58.89±5.61);终末升支末端投影的平均坐标是(-28.39±9.43,70.19±5.95).2.大脑中动脉9个皮质支穿出大脑外侧裂处的平均投影坐标分别是:中央前动脉为(24.30±8.09,48.11±4.69);中央动脉为(5.26±10.17,51.42±5.29);顶前动脉为(-12.16±8.81,57.56±6.68);顶后动脉为(-22.79±9.69,63.17±7.43);角回动脉为(-15.22±12.59,57.17±5.98);颞枕动脉为(-3.82±12.59,53.17±5.73);颞后动脉为(7.18±9.46,50.95±4.89),颞中动脉为(20.75±9.02;48.07±5.09);颞前动脉为(32.48±5.86,44.28±4.41).3.根据对材料的分析,建议将上述9支动脉归纳成前、中、后三组,并提出相应的3个点,以简化并便利寻找上述各支动脉.

 
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