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首页> 外文期刊>Laboratory Animal Science >VASCULAR ANATOMY OF EXPERIMENTALLY INDUCED LEFT VARICOCELE IN THE RAT
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VASCULAR ANATOMY OF EXPERIMENTALLY INDUCED LEFT VARICOCELE IN THE RAT

机译:实验性大鼠左静脉曲张的血管解剖学

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A variety of techniques have been used by various investigators to study the effects of experimentally induced left varicocele in the rat model, It has become apparent that information about the vascular anatomy of this condition in the rat is deficient, though such information could be important to understanding the model, We have examined the left and right venous architecture serving the testes in rats with and without experimentally induced left varicocele, The left spermatic vein has four consistent collaterals that are tributary to the left iliac vein, The right spermatic vein does not have these consistent collaterals, but many times a collateral develops from the right spermatic vein to either the right iliac vein or the distal part of the caudal vena cava. When this occurs, the remaining length of the right spermatic vein becomes a minor effluent vessel, Eleven irregularly observed vessels were identified, none of which existed on the left and only two of which were observed on the right. Experimentally induced left varicocele is associated with dilatation of the left spermatic vein and all collaterals to the left iliac vein, The condition does not cause dilatation of the right venous system, but one collateral was identified that communicated between the left and right sides via the vesicular plexus. It is speculated that the differences between left and right sides in the number of consistent collaterals might be due to the patterns of embryologic development, which differ somewhat between the left and right spermatic veins.
机译:各种研究人员已使用多种技术来研究实验性诱导的左精索静脉曲张在大鼠模型中的作用。很显然,关于这种情况在大鼠中的血管解剖结构的信息是不足的,尽管此类信息可能对了解模型后,我们检查了有和没有实验性诱发左精索静脉曲张的大鼠的左右静脉结构,左精索静脉有四个一致的侧支,分别位于静脉左支,右精静脉没有这些一致的侧支,但是很多侧支从右精索静脉发展到右静脉或尾腔静脉的远端。发生这种情况时,右侧精索静脉的剩余长度变成了较小的流出血管,发现了11处观察不正常的血管,左侧没有血管,右侧仅有2血管。实验诱发的左精索静脉曲张与左精索静脉和所有侧支脉的​​扩张有关。这种情况不会引起右静脉系统的扩张,但可以识别出一个侧支通过囊泡在左右两侧之间传播神经丛。据推测,左侧和右侧之间一致的侧支数目上的差异可能是由于胚胎学发育的模式所致,在左侧和右侧的精子静脉之间有些不同。

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