胚细胞

All pleural effusion was measured for DNA heteroploid detection with flow cytometry. The diagnostic value of this method was compared with pleural CEA and ADA detection.

各例均行胸水脱落细胞学、流式细胞术DNA含量、胸水癌胚抗原及腺苷脱氨酶测定。

Objective To observe the biological changes of primary human nasopharyngeal epithelial cells in the early stage of immortalization.

目的我们利用与鼻咽癌密切相关的EB病毒和TPA的协同作用，观察原代人胚鼻咽上皮细胞逃避老化期后其生物学特性的变化。

Embryonic stem cell has the capability of immortalization and pleuripotent differentiation.

胚胎干细胞源于着床前的囊胚内细胞团或早期胎儿原始生殖细胞的一类未分化的多能性干细胞，具有无限增殖和多能分化的能力。

Objective:To observe the changes of the oligosaccharides on cell surface in the process of implantation.

目的：探讨细胞表面糖基在胚泡着床中的作用。

Objective To investigate the distribution and significance of CD20 positive cells in the early human embryo.

目的 探索CD20阳性细胞在人早期胚中的分布及意义。

The morphological and anatomical characteristics of"Zha′ai 76"Comparing with the plants of normal M.baccata and ordinary hybrid,"Zha′ai76"and other plants with Dw major gene showed that:the length of springgrowth or main shoot is shorter by 59.6-66.2%;the ratio of length:diame-ter of new shoot smaller by 33.2-58.4%;the length of internee shorter by14.0-42.7%:the node number of spring growth lesser by 40.7%;the cauli-cle height under the cotyledons of hybrid seedlings shorter by 65.0%;the in-dex of leaf stalk(stipe length:stipe thiek ness)on the spring growth smaller by34.5-50.2%;the length of leaf stalk shorter by 25.2-45.7%;the boundarybelt between spring and autumn growth has knob-like nodes;the margin of leafappears wave-like;the sepals with spinous proeessuses are massive and small;the eonstriction at calyx is not obvious;the trace of abscisic sepals is big;the ca-lyx end of fruit is plan or convex;the shape of shoot tip(of"Zha′ai 76")iswider and shorter;and in 1.0mm part from the top of shoot tip,there are manyspecialized cells which are larger in volarae,but with lesser inner material andwith smaller or no nucleus.

"扎矮76"的形态解剖特征与普通山定子和杂交后代中普通型植株对比，"扎矮76"和其它携带Dw主基因植株的：春梢短59.6-66.2％，梢长与梢粗比值小33.2-58.4％，节间短14.0-42.7％，春梢节数少40.7％，杂种苗下胚轴短65.0％，春梢叶柄形指数小34.5-50.2％，叶柄短25.2-45.7％，春秋梢交界处有瘤状突起，叶缘波状，萼片肥厚有刺状突起，萼部缢痕不明显，脱萼后萼痕较大、萼洼平或高于果面；新梢生长点宽而短，在距顶端1.0gmm处有较多体积较大、内容物较少、细胞核小或无的待化细胞。

Strumal carcinoid of ovary may be derived from multidirectional differentiations of endodermal origin with low potential malignancy.

卵巢甲状腺肿类癌起源于内胚层，低度恶性，诊断主要依赖病理和免疫组化，需要与颗粒细胞瘤、卵巢恶性甲状腺肿、卵巢类癌等鉴别。

The first division of protoplast occurred within 3 to 5 days in modified MS liquid media (1/10 strength macroelement) supplemented with 2 mg/L NAA+0.5 mg/L 6-BA and several organic compounds.

培养在1/10 MS附加2 mg/L NAA+0.5 mg/L 6-BA和多种有机成分培养基上的铁皮石斛无菌苗叶片原生质体，3~5 d后开始第一次分裂，30d后长成胚性细胞团。

In the early period of ovary development of Castanopsis delavayi, the size of ovules relative to the ovary cavity is small and rich trichomes can be found before the development of the megaspore mother cell.

高山栲在子房发育的早期胚珠在子房中占有的体积相对小，在大孢子母细胞发育前子房中已经有丰富的毛被。

Mature embryo sac can form from megaspore mother cell on the modified VW medium supplemented with 0.5mg/L BA and 0.1 mg/L NAA.

在培养基无外源激素或仅含生长素或细胞分裂素时，雌配子体的发生过程不能顺利完成；在改良VW培养基上添加0.5 mg/L BA和0.1 mg/LNAA时，形成成熟胚囊。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。