典型的精原细胞瘤组织学类型。
在精原细胞瘤癌巢中可见淋巴间质。
胚胎癌比精原细胞瘤侵袭性更强。
精原细胞瘤的发生同样应遵循这个规律。
生后7天出现精原细胞。
精原细胞瘤癌细胞巨大、泡状核和胞浆疏松。
The seminoma cells are large with vesicular nuclei and pale watery cytoplasm.
精原细胞瘤癌细胞巨大、泡状核和胞浆疏松。
The seminoma cells are large with vesicular nuclei, and pale watery cytoplasm.
方法：采用小鼠精原细胞姐妹染色单体交换实验。
Methods: the sister chromatid exchange (SCE) test in mice spermatogonia was used in the study.
病理诊断精原细胞瘤9例，精原细胞瘤合并胚胎癌1例。
Pathology showed that 9 cases had seminoma and 1 had seminoma accompanied by embryonic carcinoma.
目的：介绍纵隔原发性精原细胞瘤的临床特点和诊治方法。
Objective: To introduce the clinical features, diagnosis and therapy of primary mediastinal seminoma.
在190例未经治疗的患者中，有16例死于精原细胞癌。
在生后各发育阶段中，精原细胞始终保持DNA复制的能力。
The spermatogonium remained replicating activity of DNA during the developing stage.
如果这是一例精原细胞瘤，很有可能是一种单纯型和经典型。
If this is a case of testicular seminoma, it is most likely a pure form and classic.
肿瘤的组织学类型为精原细胞瘤4例，恶性间质细胞瘤1例。
The histologic types of tumors were pure seminomas in 4 cases and malignant interstitial cell tumor in one case.
工蚁在次级精母细胞中最高，在精原细胞和初级精母细胞中较低。
In the workers, a strong expression of Bcl-2-like was shown in secondary spermatocytes, and a lower expression level in spermatogonia and primary spermatocytes.
在光镜下难以根据性原细胞的形态和大小区分卵原细胞和精原细胞。
It was difficult to distinguish oogonium from spermatogonium according to the shape and size of gonium under light microscope.
浓缩铀uo_2f_2可诱发精原细胞和初级精母细胞的染色体畸变。
Enriched UO2F2 could result in chromosomal aberrations in spermatogonia and primary spermatocytes.
通常有以下几种组织学构成：精原细胞瘤、胚胎癌、畸胎瘤、绒毛膜癌。
They often have several histologic components: seminoma, embryonal carcinoma, teratoma, choriocarcinoma.
本文以小鼠精原细胞染色体畸变分析方法研究其对雄性生殖细胞的诱变性。
The mutagenicity of avermectin on male germ cells was studied by the method of analysis of chromosomal aberrations in mouse spermatogonia.
目的探讨大鼠精原细胞的分离纯化及双酚a对精原细胞活力和结构的影响。
Objective: to study isolation and purification of rat spermatogonia and effects of bisphenol a on activities and morphology and structure of spermatogonia in vitro.
方法不同辐射体核素诱发的畸变产额变化，通过骨髓细胞和精原细胞染色体畸变测定。
Methods The changes of aberration yields induced by different radiators were determined using chromosomal aberration assay in both bone marrow cells and spermatogonia.
目的探讨采用腹腔镜技术行腹膜后淋巴结清除术治疗I期非精原细胞瘤的方法和效果。
Objective To assess the effects of laparoscopic retroperitoneal lymph node dissection in the treatment of stage I nonseminomatous testicular cancer.
手术治疗患者术后病理为无性生殖细胞瘤12例，精原细胞瘤5例，未成熟畸胎瘤5例。
The pathologic diagnoses of 22 patients with surgical treatment were nonseminomatous malignant germ cell tumor 12 cases, seminoma 5 cases and immature teratoma 5 cases.
目的探讨切除颌下腺及术后给予人绒毛膜促性腺激素（HCG）对小鼠精原细胞增殖的影响。
Objective\ To investigate the effects of sialoadenectomy and human chorion gonadotropin(HCG) administration on spermateleosis in mouse.
本文综述精原细胞异基因移植研究进展，并对该技术在今后临床应用中所存在的问题进行讨论。
In this article we reviewed the recent advances in xenogeneic transplantation of spermatogonial stem cell and also analyzed the potential problems existing in its clinical application.
结果表明：精原细胞内，高尔基体结构典型，分布在核膜附近，许多膜囊通过连接小管相互连接。
The results show that, there are typical Golgi apparatus in spermatogonium, they are located near the nuclear membrane, and the saccules are connected by connective tubules.
探讨褐斑大蠊减数分裂规律，运用空气干燥法对褐斑大蠊精原细胞第一次减数分裂染色体形态进行观察。
In order to study the general law on meiosis of Periplaneta Brunnea. Air-dried method was used to observe the chromosome of spermatogonium in different stages.
目的探讨丙烯腈(acn)对睾丸精原细胞dna的损伤作用及经肝微粒体酶活化前后该损伤程度的差异。
Objective to explore acrylonitrile (ACN) induced DNA damage on Newt spermatogonia, and to compare the difference in DNA damages before and after microsomal enzyme activation.
和10%四组中，2.5%血清有利于精原细胞生长并形成较多的集落，同时有利于维持精原细胞的未分化状态。
Among 0%, 2.5%, 5% and 10% groups, 2.5% FBS had profit on spermatogonial cells to grow and form more cell colonies, and profited to keep their undifferentiation state.
据文献报道，NSE含量测定可作为肺癌、成神经细胞瘤、黑素瘤、精原细胞瘤以及中枢精神系统损伤的诊断指标。
NSE are reported to be useful diagnostic marker for lung cancer, neuroblastoma, melanoma, seminoma and in injury of central nervous system.
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