vas deferens

noun

1. 输精管
   the tube through which sperm pass from the testis on their way out of the body

1. Objective: To investigate the clinical characteristics, diagnosis and therapeutic strategies of congenital absence of the vas deferens ( CAVD).
   目的：探讨先天性输精管缺如（CAVD）的临床特点，提高其诊断和治疗水平。
2. A morphological study on the musculature and innervation of the vas deferens in rat and man
   人和大鼠输精管平滑肌和神经的形态学研究
3. Determination of semen biochemical indicators in infertile males with congenital bilateral absence of vas deferens Changes and significance of reproductive hormones in serum and biochemistry index in seminal plasma in patients with azoospermia
   无精子症患者血清生殖激素、精浆生化指标变化及意义
4. Effect of Gossypol on the Contraction of Vas Deferens and the Free Amino Acid Content in Fluid of Seminal Vesicle in Rats
   棉酚对大鼠输精管收缩及精囊液中游离氨基酸含量的影响
5. Surgical removal of all or part of the vas deferens, usually as a means of sterilization. Conclusion This method is quite effective for infertility due to tubal obstruction.
   输精管切除术输精管的全部或部分的外科切除，尤其是作为绝育的一种办法结论峻竣煎结合中药灌肠治疗输卵管阻塞性不孕疗效确切。
6. Researchers in China are also having success with a new vas deferens device, though theirs is not being billed as reversible.
   中国的研究人员也正在成功研制一种新的输精管装置，目前还没有可逆性的有关报道。
7. Tufts are the simplest and most often used. Silk carpets, made of high quality natural silk, are produced in a complicated traditional work. A lot of pre-work was involved before weaving. Surgical ligation of the vas deferens as a means of sterilization.
   真丝地毯用天然丝线为原料，以传统的复杂的打结方法编织而成，在编织前需要大量的准备工作。
8. The mature male reproductive system is composed of testis, vas deferens, accessory glands, seminal vesicles and ejaculatory duct.
   成熟的雄性生殖系统主要由一对精巢，一对输精管，一对附腺，一对储精囊和一根射精管组成。
9. Especially, the PESA-ICSI provides reproductive insurance for male sterilization operation of vas deferens ( ligation or occulsion).
   初步研究表明：ICSI或PESA+ICSI技术是治疗男性因素不育的有效方法，尤其PESA+ICSI技术为男性输精管绝育（结扎、粘堵）受术者提供生殖保险。
10. Sperms entering the proximal vas deferens are supported in an eosinophilic matrix.
    进入近端输精管内的精子被支撑在一种嗜酸性基质中。
11. Study on epididymal sperm function of infertile males with congenital bilateral absence of the vas deferens
    先天性双侧输精管缺如不育患者附睾精子功能及妊娠率的研究
12. Effects of Gossypol Acetic Acid on Human Ejaculated Sperm Ca2+ Influx and Rat Vas Deferens Contraction Action
    醋酸棉酚对人射出精子Ca~（2＋）内流和大鼠输精管收缩反应的影响
13. Actions of ephedrine on smooth muscle of mouse vas deferens
    麻黄碱对小鼠输精管平滑肌的作用
14. Pathology changes of vas deferens in benign prostatic hyperplasia model of beagle dogs
    比格犬前列腺增生模型中输精管病理变化
15. The relationship between immune response to sperm antigen and the development of local nodule after vas deferens sterilization
    输精管绝育术后局部结节大小与精子抗原对人体免疫反应关系的研究
16. OCT and GPM in the vas deferens.
    输精管的OCT和GPM的酶活性均呈强阳性或极强阳性。
17. Research Report on ligation of vas deferens without section
    输精管的不切断结扎术研究
18. The main function of collecting tubules is to transport the spermatids to the vas deferens.
    收集管的主要功能是将精细胞团输送至输精管。
19. The forepart of the middle vas deferens is high columnar epithelium and the rear end is columnar epithelium.
    中输精管分泌物为嗜酸性，前段为高柱状上皮，后段则为柱状上皮，至后段共出现2处上皮隆起，隆起间为扁平上皮；
20. Conclusion: Retro-injection of 30% ethanol into the vas deferens of the rat produces significant antifertility effect on rats, but has no significant influence on their spermatogenic cells.
    结论：乙醇经大鼠输精管逆向注射的方法在3个月内可产生明显的抗生育效果，但对其生精细胞没有显著性的影响。
21. The wall of vas deferens has no muscles.
    输精管管壁有一层上皮细胞，但无肌细胞；
22. Congenital absence of the vas deferens ( CAVD) is an important factor that contributes to obstructive azoospermia and male infertility.
    先天性输精管缺如（CAVD）是梗阻性无精子症及男性不育的一个重要原因，其病因仍未完全阐明。
23. The effect of long-term vas deferens ligation on spermatogenesis of rabbits
    长期输精管结扎对兔精子发生的影响
24. Results The vas deferens artery controlled the whole vas deferens, epididymis and partial parenchyma of testis.
    结果输精管动脉支配整个输精管，附睾头、体、尾及部分睾丸实质。
25. The results indicated that T4 inhibited Ca2+ influx of human ejaculated sperm, but had not effects on NE and high K+ induced spontaneous contractions of rat aorta and vas deferens which were dependent on Ca2+ support.
    结果指出，T4I抑制人射出精子对Ca2＋摄取，但不影响由去甲肾上腺素和高K＋依赖Ca2＋支持而诱发的大鼠胸主动脉和输精管的自发收缩。
26. Histochemical observation of redox enzymes in human testis, epididymis and vas deferens
    国人睾丸、附睾和输精管的氧化还原酶的组织化学观察
27. The morphologic changes of testis and epididymis at different intervals after the vas deferens occlusion with Ar+ laser were observed.
    对氩离子（Ar＋）激光凝堵输精管后不同时期的睾丸和附睾做了形态学观察，发现在术后半月，无论在肉眼和镜下睾丸和附睾均无明显变化；
28. The meshes are around the vas deferens in the last four groups.
    后四组中补片均包绕于输精管上。

noun

1. a duct that carries spermatozoa from the epididymis to the ejaculatory duct

   Synonym:    ductus deferens