查询词典 germ cells

The histosection of ram testes about 2-3 month old were made and observed, the morphology of germ cells were uniform in seminiferous tubules and did not enter the spermatogenesis. We have found a lot of PGP9.5 positive spermatogonium on basal membrane and it could be used culture in vitro.

对2~3月龄的山羊睾丸做切片观察，发现曲细精管中细胞形态比较单一，生精上皮还没有进入生精周期，通过免疫组化染色发现在曲细精管基底膜有大量PGP9.5 精原干细胞。

Primordial germ cells were the progenitor cell of spermatozoon and ovum.

原始生殖细胞是精子和卵子的前体细胞。

Even's air-drying method for meiotic preparations from germ cells of mammalian testes improved by our laboratory was used and dynamic change of division figure of prophase 1 in the mouse treated by testosteronic propionas and stilbestrol was observed.

采用本室改良的Evens哺乳动物睾丸生殖细胞减数分裂空气干燥法制片技术，观察了用丙酸睾丸酮和已烯雌酚处理小鼠第一次减数分裂前期分裂相染色体的动力学变化。

The Oct4,a POU transcription factor belongs to class Ⅴ of POU proteins, is expressed in mouse totipotent embryonic stem and germ cells.

Oct4是一种POU转录因子，属于Ⅴ类POU蛋白，在小鼠全能胚胎干细胞和生殖系干细胞表达。

For better understanding of the formation and changes of glycoconjugates during spermatogenesis and oogenesis, the distribution of PNA binding glycoconjugates in the plasma membrane of Adda cinera germ cells have been detected by using biotin labeled PNA.

本文首次采用生物素标记的花生凝集素对中华蚱蜢配子发生过程中细胞质膜的糖蛋白含有糖基Gal-β-(1，3-GalNAC进行了标记，旨在认识配子发生过程中细胞质膜糖复合物的形成与变化规律，探讨其所具有的功能。

Apoptosis plays a pivotal role in the spermatogenesis.Disequilibrium of apoptosis in germ cells is one of the reasons for azoospermia.

生精过程中细胞凋亡过程对维持正常的精子生成至关重要，该过程的失衡是导致少精子无精子症的重要机制之一，已受到广泛关注。

An endodermal sinus tumor of the testis is shown composed of primitive germ cells that form glomeruloid or embryonal-like structures.

睾丸的内胚层窦肿瘤由原始生殖细胞构成，这些细胞形成血管球或胚芽样结构。

There is a significantly difference between the tubular widthes of obstructive and non-obstructive azoospermic patients. The large number of intratubular germ cells within those tubules with active spermatogenesis cause those tubules to be larger than tubules without sperm production.

而藉由测量细精小管，我们得知造精功能受损患者的细精小管管径明显地较具正常造精功能的细精小管细，原因为造精作用活跃的细精小管内生殖细胞较多，因而造成有精子生成的细精小管管径明显的较没有精子生成的细精小管粗。

Objective: Identify the human embryonic germ cells by observing the expression of its specific surface markers SSEA-1、SSEA-3. Methods: Human embryonic genital ridges, dorsal mesenteries(5-9 weeks post-fertilization) were cultured without any cytokines, while the fibroblasts derived from the isogenous embryo were used as the feeder layer.

目的：组织块培养法培养人胚胎生殖干细胞，通过检测细胞所表达的阶段特异性胚胎抗原1 和3(stage-specific embryonic antigen-1、3 ，SSEA-1、SSEA-3)，对未分化的人EG 细胞进行特异性的生物学鉴定。

Bicoloratus raised in an aquaculture plant has been made through histological methods. The results show that there are about 2 primordial germ cells present in the newly hatched larva, and are located between the gut and the mesonephric duct.

结果显示：刚孵化石鲽的原生殖细胞数量在2个左右，位于体腔肠管与中肾管之间的背肠系膜附近，至孵化3d后数量增至8个左右，之后PGCs开始迁移。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。