粗线期

x、y染色体行为落后于常染色体，配对始于早粗线期，完成于中粗线期。

The x-y pairing begins in early pachytene stage .

水稻间期核、粗线期和有丝分裂中期染色体FISH分辨率的比较

Comparative Study of FISH Resolution on Interphase , Pachytene and Metaphase Chromosomes in Rice

小鼠富集着丝粒DNA在小鼠减数分裂粗线期染色体上的原位杂交奥陶系富集Au；

FLOURESCENT IN SITU HYBRIDIZATION OF ENRICHED SFA-DNA ON PACHYTENE CHROMOSOMES IN MOUSE enrichment of Au during the Ordovician period ;

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 .

著者等首次采用ASG法对家蚕卵母细胞减数分裂粗线期染色体进行G带分染，在染色体上显示出暗带明带共658条丰富的带纹，并绘制了G带组型模式图。

The studies first used the ASG Method to obtain the G & band chromosomes at meiotic pachytene in oocyte , and the G-band Pattern was drawn .

有丝分裂中期染色体上的CPD带纹与粗线期染色体上显著的带纹具有对应性。

The CPD bands exhibited on mitotic metaphase chromosomes corresponded to the prominent bands exhibited on the pachytene chromosomes .

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 .

粗线期SC染色体C-带、G带显示了较为清晰的带纹，但带纹沿染色体纵长基本均匀分布，而早中期染色体C-带、G-带显带效果不理想；

Synaptonemal complexes in meiotic pachytene displayed conspicuous C-banding and G-banding , but the bandings regularly distributed along the lengthwise chromosomes . The results of C-banding and G-banding in mitotic early metaphase was not clear .

在粗线期中，X、Y染色体形成一定长度的SC，而未配对的染色体轴异固缩化，表现为多种不同的形态。

The axes of X and Y chromosome pair and form a SC of certain length at pachytene stage . The axes of unpaired X and Y chromosome are heteropycnotic and display various morphological complexities .

本文对XY配对行为进行了讨论，同时按性染色体配对特征划分了SC在粗线期的不同发展阶段。

The XY chromosome ′ s synaptic behavior was discussed and the different development stage of SC in pachytene was described based on its sex chromosome ′ s synaptic character .

CPD染色在8条粗线期染色体上显示出了10条红色的CPD带纹，在6对有丝分裂中期染色体上显示出了12条CPD带纹。

Ten red CPD bands were shown on eight pachytene bivalents , and 12 bands were shown on six pairs of mitotic metaphase chromosomes .

通过粗线期染色体荧光原位杂交技术，将发生易位的第6号和第12号染色体的易位点分别锚定在1个和3个BAC克隆库中。

Transpositional points between chromosome 6 and 12 were anchored in 1 and 3 BAC clone 's pool respectively by fluorescence in situ hybridization technology of pachytene chromosomes .

XY配对延迟至晚偶线期&早粗线期，在早粗线期阶段，配对长度占Y轴全长的30%～50%。

XY pairing is delayed until late zygotene early pachytene . During early pachytene 30 % ~ 50 % Y axial is paired in SC association with X axial .

XY染色体的配对起始于早粗线期，成熟于中粗线期，在晚粗线期先于常染色体解联会；XY-SC开始解体于晚粗线期。

Pairing of the XY starts at early pachytene and completes at middle pachytene . The disappearance of XY chromosome is forestalled as compared with autosomal SC at later pachytene .

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 .

采用CPD（PI和DAPI组合）染色对番茄减数分裂粗线期和有丝分裂中期染色体进行了显带分析，随后用两种不同的45Srdna克隆在相同的分裂相进行了荧光原位杂交定位分析。

In this study , we performed sequentially combined PI and DAPI ( CPD ) staining and FISH with two different 45S rDNA clones on meiotic pachytene and mitotic metaphase chromosomes in tomato .

在减数分裂粗线期采用02%的秋水仙碱溶液持续处理24h，或采用01%的秋水仙碱溶液处理36h，获得的平均2n花粉比率最高，分别为276%和232%，其中最高处理可达495%。

The highest average percentage of unreduced pollen by treating male buds for 24 hours with 0.2 % colchicine or 36 hours with 0.1 % colchicine can be obtained , which is 27.6 % and 23.2 % , and the highest proportion is 49.5 % .

家蚕粗线期染色体核型模式的建立

Establishment of the Karyotype Model of Pachytene Chromosomes of Bombyx mori

调查了家蚕品种大造卵母细胞粗线期染色体，筛选了14个形态清晰、染色体数目完整的细胞。

14 meiotic chromosomes with clear configuration and intact amount were selected .

从早粗线期到晚粗线期联会复合体逐渐伸长；

The synaptonemal complexes stretch gradually from the early pachytene to late pachytene .

银染粗线期核中可观察到两个褐色的线团状的核仁。

In pachytene nuclei by sliver-stained , two fluffy globular nucleolus could be seen .

玉米粗线期染色体的高分辨率染色粒图

High Resolution Chromomere Map of Maize Pachytene Chromosomes

中国东乡野生稻的粗线期分析及其与普通栽培稻的亲和性

Pachytene Analysis on Chinese Dong Xiang Wild Rice and Its Affinity with Cultivated Rice

粗线期核糖体密度显著下降，线粒体、质体等细胞器数量减少；

The density of ribosome and the number of organelles decreased significantly at pachytene stage .

鱼类粗线期二价体上染色粒的研究

Chromomere Study on Fish Pachytene Bivalents

指出常染色体联会复合体的形成开始于偶线期，成熟于粗线期，开始消失于弥散期。

Autosomal SC is formed in mid-zygotene , mature in pachytene , and disappears in diffuse stage .

前期可被分为连续的阶段：细线期、偶线期、粗线期、双线期和终变期。

Prophase may be divided into successive stages termed leptotene , zygotene , pachytene , diplotene , and diakinesis .

粗线期以后，合点端细胞壁首先出现尖帽状荧光区。

Fluorescence indicating the presence of callose first appeared in the wall of chalazal pole of megasporocyte at pachytene stage .

用睾丸减数分裂及血清生殖激素测定方法对33例精索静脉曲张进行了初步研究，结果表明：减数分裂阻滞在粗线期27例，单价体3例，多价体2例，正常减数分裂1例。

A preliminary study of 33 cases of varicocele has been made by the evaluation of testicular meiosis and serum reproductive hormones .

花粉母细胞减数分裂的染色体行为表明，非整倍体花粉植株的主要染色体畸变为粗线期的疏松配对、单价体；

The chromosomal behaviour of PMC at meiosis revealed that main chromosomal aberrations of aneuploids were loose pairing and univalent at pachynema ;