精母细胞

方法：用香烟烟蒂生理盐水浸泡液为实验材料进行小鼠骨髓嗜多染红细胞（PCE）微核试验和睾丸初级精母细胞染色体畸变试验。

Methods : Micronucleus test in bone marrow PCE and chromosome aberration assay in primary spermatocyte were undertaken in mice exposed to the immersion .

120日龄左右为初级精母细胞增殖期；

Primary spermatocyte proliferation period ( 120 days old );

停服棉酚后恢复的大鼠精母细胞DNA合成的研究

A study of DNA synthesis of the repopulating spermatocytes in the rats after withdrawal of gossypol treatment

本文报道了小剂量（0～1.0Gy）x射线单次全身照射雄性小白鼠诱发的精母细胞晚粗线期染色体畸变与显性致死间关系。

The relationship between chromosomal aberration and dominant mutation in spermatocytes of late pachytene phase in male mice after a single X-irridiation was reported .

同时以界面铺张&硝酸银染色技术，对黑届锦蛇减数分裂精母细胞联会复合体（SC）的结构进行了亚显微观察。

With a combination of surface spreading and silver staining techniques synaptonemal complexes ( SC ) were studied with electron microscopy .

精子表面的PNA凝集素受体出现于精子发生早期，并在初级、次级精母细胞有大量表达；

PNA binding glycoconjugates appeared in early spermatogenesis and expressed in primary and secondary spermatocytes ;

同时用Ames实验、微核实验、小鼠睾丸精母细胞染色体畸变实验进行致突变性研究。

Its mutagenicity was studied with Ames test , micronucleus test , chromosome aberration test in mouse spermatocytes .

根据染毒到制片的间隔时间判断，氟化钠和氯化主要作用于减数分裂前的G1和S期初级精母细胞。

According to the time interval between treatment and slide preparation they mainly affected G1-and S-phase of primary spermatocytes in pre-meiosis .

出生后第15d，出现初级精母细胞；

Primary spermatocytes were observed at the 15th postnatal day .

在小鼠精母细胞系中NYD-SP12与LaminA存在着相互作用。

It interacted with Lamin A in mouse spermatocyte cell line .

AR在精母细胞和精细胞中表达较强，ER在精细胞和精子中表达较强，精母细胞中次之，PR在睾丸间质细胞中表达较强。

AR expressed stronger in spermatocytes and spermatogenic cells , ER in germ cells and sperm expressed strong in the second spermatocyte , PR in Leydig cells also expressed stronger .

电压依赖性钙通道（voltagedependentCalCiumChannel，VDCC）是控制Ca~（2+）跨膜内流的主要途径之一，现已清楚精母细胞及精子上主要存在T型Ca~（2+）通道。

The voltage dependent calcium channels is one of main paths to controlling Ca2 + influx and T-type Ca2 + channel is the main Ca2 + current carrier in mouse spermatocyte and sperm .

材料与方法：采用Comet试验、Ames试验、微核试验和小鼠精母细胞染色体畸变试验分析灭菌丹在不同剂量下对DNA和染色体的损伤。

MATERIALS AND METHODS : Comet assay , Ames test , micronucleus test and spermatogonial chromosomal aberration test were performed to analyze the damage of different concentrations of folpet to DNA .

抗c-kit抗体免疫化学染色显示：粗线期初级精母细胞、精原细胞反应呈阳性，Sertoli细胞、圆形精子细胞、精子反应呈阴性。

In immunocytochemistry staining , PPS and spermatogonia displayed positive staining , while Sertoli cell , round spermatid and sperm displayed negative staining .

采用鼠伤寒沙门氏菌回复突变试验（Ames试验）、小鼠骨髓多染红细胞微核试验、小鼠睾丸精母细胞染色体畸变试验、V79细胞基因突变试验来检测有无致突变作用。

The Ames test , Erythrocyte micronucleus assay , Spermatogonial chromosomal aberrations test and In vitro mammalian cell gene mutation test were used .

结果：在配置Hoffman镜头的倒置显微镜下人睾丸圆形细胞主要可分为4群：支持细胞（Sertoli）细胞，粗线期初级精母细胞，精原细胞，圆形精子细胞。

Results : Sertoli cell , primary pachytene spermatocyte ( PPS ), spermatogonia , round spermatid were the main four round cell groups that can be classified under Hoffman optics .

初级精母细胞（PS）植入GV期卵胞质后，能够完成第一次减数分裂，但很多重构卵都排出异常大的第一极体，染色体也不能完全凝集。

Meiotic maturation could be achieved in reconstructed oocytes matured after primary spermatocyte was transferred into GV ooplasm , but the first polar body was very large and the proportion of oocytes with adequately condensed chromosome was very low .

通过分析初级精母细胞的染色体畸变，观察预先小剂量照射（D1）对第二次大剂量辐射损伤的影响。

D2 ( 1.5 Gy X-rays ) was given 40 days after exposure to D1 . The effect of chronic or fractional pre-exposure of low dose radiation on the chromosome damage induced by subsequently high dose irradiation was observed .

在睾丸中，WGA可与精母细胞的高尔基区以及精子细胞各期发育阶段的顶体结合，而SBA及PNA则与晚期阶段顶体结合。

In the testis , WGA showed affinity for Golgi apparatus of the spermatocytes and the early stages of acrosome formation of the spermatids , while SBA and PNA for the late stages of acrosome formation .

以表面铺展法制备棕色田鼠精母细胞联会复合体标本，经硝酸银染色作电镜观察.结果表明，在减数分裂前期IX和Y染色体的形态和行为同常染色体有明显差异；

The surface spread and silver stained preparation of spermatocytes of Microtus mandarinus have been analyzed by electron microscopy . The results show that behavior and morphology of X and Y chromosome is different from autosomal SC during prophase ⅰ of meiosis .

结果：（1）Ghrelin与其受体GHS-R1a在下丘脑弓状核、腹内侧核、正中隆起，腺垂体，睾丸间质细胞、精母细胞、睾丸支持细胞，卵母细胞等中均有分布。

Results : ( 1 ) Ghrelin and its receptor GHS-R1a were mainly distributed in the arcuate nuclei , ventromedial nucleus , median eminence , adenohypophysis , leydig cells , spermatocyte , sertoli cells , oocytes and among others .

结果表明：（1）在中华蚱蜢的精子发生中，PNA受体是由初级精母细胞合成，然后转移到膜上，在次级精母细胞，由于量的积累其质膜出现了强阳性标记；

The results show : ( 1 ) In testis , PNA receptors sites were firstly observed in the cytoplasm and plasma membrane of primary spermatocyte , and greatly increased in the plasma membrane of second spermatocyte , then decreased and were accumulated in the tail of the round spermatid .

家蚕精母细胞接合丝复合体的研究

A Study on the Synaptonemal Complex in the Spermatocyte of Silkworm

~（60）CO-γ射线诱发的德国蜚蠊精母细胞中心体畸变

Centriole aberration in spermatocytes of the German cockroach induced by radiation

蝗虫精母细胞染色体制片法

Tablet-making of the Cell Chromosome of Locust Spermatocyte On Mediation Method

初级精母细胞为22∶4∶1；

Of primary spermatocytes was 22 ∶ 4 ∶ 1 ;

小鼠睾丸初级精母细胞染色体畸变试验方法改进及应用

Method improvement for chromosome aberration test of mouse primary spermatocyte

家蚕精母细胞融合的初步研究

Primary studies on cell fusion of spermatocytes in silkworm , Bombyx mori

猕猴精母细胞联会复合体的银染色观察

Observation on Silver-stained Synaptonemal Complex in Rhesus Monkey Spermatocytes by Light Microscopy

哺乳动物精子细胞及精母细胞授精能力研究进展

Research Progress in the Capacity of Fertilization of Mammal Spermatid and Spermatocyte