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结果35例无精症患者全部在睾丸曲精小管中找到精子。Results In the 35 azoospermic cases, sperm are found within the seminiferous tubules.

不同精小管内生殖细胞的发育是不同步的。The development of the male germ cells in different seminiferous tubules was different.

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动脉有睾丸动脉、输精管动脉及提睾肌动脉。Artery has spermary artery, seminiferous duct artery and artery of the flesh that carry Gao.

睾丸纵切面，示生精小管和迂回蟠曲的附睾。Longitudinal section of a testicle showing the seminiferous tubules and the convoluted epididymis.

LHRH和LH疫苗处理绵羊，可以抑制睾丸曲细精管内精子发生。Active immunization against LHRH and LH inhibited the process of the spermatogenesis in seminiferous tubules.

射精管是输精管壶腹与精囊管汇合之后的延续。Ejaculation canal is the continuance after abdomen of seminiferous duct crock and spermatic canal are confluent.

光镜观察表明，10月组曲细精管呈弥漫性萎缩，生精过程停止。The main results are as follows1. Degeneration and diffuse atrophy occurred in seminiferous tubules 10 months after vasectomy.

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给药后42天，各处理组大鼠的生育力、精子密度、曲细精管结构等均恢复至与对照组无显著差别的水平。By Day 42 after treatment, changes in litter size, sperm numbers and the structure of seminiferous tubules in these animals diminished.

正常睾丸显微镜下结构，生精小管中有大量的生殖细胞，支持细胞是难以觉察的。This is the microscopic appearance of normal testis. The seminiferous tubules have numerous germ cells. Sertoli cells are inconspicuous.

精巢体积减小，半透明乳白色，生精小管内的成熟精子几乎排空。The testis at deteriorated phase reduces in volume, and is translucent , and the mature sperms in seminiferous tubule have almost been extruded.

提睾肌和输精管结扎后可短期在局部形成一个无菌性的炎性区域，引起疼痛。After the flesh that carry Gao and seminiferous duct ligate but short-term be in local the phlogistic sex that forms an asepsis sex area, cause ache.

荧光检测、细胞培养和组织学检测证实移植细胞能够在睾丸内存活，并且移植鼠受损的曲细精管得到一定程度的修复。The transplanted cells were tested for the proliferation after 4 weeks and the seminiferous tubules which were damaged has been repaired to some extent.

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在生精小管持续产生的精子被移到位于每一侧睾丸表面的收集管道。The sperm cells which are constantly being produced in the seminiferous tubules are moved into collection tubes which lie on the surface of each testicle.

以18天鸡胚睾丸为实验材料，经胶原酶和胰蛋白酶两步酶消化法得到生精上皮细胞悬液。Testes from 18-day-old embryonic chickens were used to isolate seminiferous epithelial cells by sequential two-step enzyme digestion with collagenase and trypsin.

精子在输精管中发育，精子的尾部植入了睾丸支持细胞的内腔。Sperm develop in the seminiferous tubules of the testis. The spermatids are embedded in the Sertoli cells with their tails projecting into the lumen of the tubule.

甲氧滴滴涕的雄性生殖毒性研究较多，主要为睾丸、附睾及生精上皮的改变。There have been many animal expriments on male reproductive toxicity of methoxychlor, mainly involving in changes in testicle, epididymis and seminiferous epithelium.

为特点的缺乏或小睾丸曲细精管的男性化，缺乏精子和不孕不育的玻璃样变和增加尿促性腺激素。Characterised by lacking or small testes with hyalinization of the seminiferous tubules of masculinization, lack of sperm and infertility and increased of gonadotropin in urine.

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雅南仔公猪睾丸发现长核精细胞在55日龄，巴雅、杜雅约80日龄，而巴克夏、雅巴则直至90日龄尚未见出现。The long nuclear spermatids present in seminiferous tubules in Yanan boar pigs at 55 days old, and in Bya and DYa at 80 day old, but in B and YaB do not present until 90 days old.

组织病理学检查发现生精上皮严重变性，精子缠结严重，PCNA阳性表达强度更是进一步减少，只是部分精原细胞表达。Histopathologic examination revealed serious degeneration of seminiferous epithelium, sperm tangles serious. PCNA expression is further reduced by only part of spermatogonial cells.

睾丸间质细胞分布在曲细精管间的结缔组织中，约占睾丸总重量的2％，但分泌的睾酮却占睾酮总量的95％。Leydig cell distributes in the connective tissue of the Seminiferous and its weight is only 2 percent of the whole testis, but it synthesizes 95 percent of the whole testosterone in human body.