原细胞

The fern spore, the original cell of the gametophyte, carries out asymmetrical mitosis to produce a large cell and a small cell. The small cell geminates to a rhizoid by tip growth, and the large cell further divides and develops to become a prothallus.

蕨类植物孢子作为配子体的原始细胞，通过不对称的有丝分裂产生一大一小两个细胞，小细胞萌发出极性生长的假根，大细胞继续分裂发育为原叶体。

In conclusion ,the results of this study showed that the inducing agent HMBA could effectively inhibit the proliferation activity of the human ostosarcoma MG-63 cells,cause the arrest of G0/G1 phase, reverse the malignant phenotype characters,upregulate expression of the osteoblat-like phenotype markers including collagen,osteocalcin,osteonectin , facilitated the formation of bone nodule .

本研究的结果表明HMBA能够有效抑制人成骨肉瘤MG-63细胞增殖活动，改变肿瘤增殖核抗原表达，将细胞周期阻滞在G0/G1期，逆转人成骨肉瘤细胞恶性表型特征，在促进终末分化标志物Ⅰ型胶原纤维蛋白、骨钙蛋白、骨粘素的表达同时，促进骨结节生成，从而说明HMBA能够诱导人成骨肉瘤MG-63细胞终末分化，并且Rg1、BPO-L、Rg1+BPO-L以及Rg1+HMBA等均具有终末诱导分化能力。

To explore the potential mechanism of cigarette smoke extract -induced cell injury, primary cultured skin keratinocytes and fibroblasts from rat were selected as target cells in Part Ⅰ study compared with the effect of UVA.

本研究第一部分以原代培养的大鼠皮肤角质形成细胞和成纤维细胞为对象，采用UVA损伤作用为参照，探索香烟雾提取物（Cigarette SmokeExtract，CSE）对皮肤细胞的损伤作用，重点观察CSE所致的皮肤细胞毒作用、功能损伤及可能作用机制。

Objectives To investigate the effect of fibrinogen on tissue-type plasminogen activator and plasminogen activator inhibitor-1(PAI-1) mRNA expression in human umbilical vein endothelial cells.

目的 探讨纤维蛋白原对内皮细胞组织型纤溶酶原激活物和纤溶酶原灭活剂（PAI-1 mRNA表达的影响。

The methods of trophoblast isolation have deficiency of low product ion rate and other cells contamination.

原代培养的滋养层细胞存在产率低、杂细胞污染等方面的缺憾，而滋养层细胞又在细胞特性上发生了变化。

Result:After removal of the bilateral lower molars, the remodeling and degenerative activities in different layers of the condyles increased, such as vesiculation of endoplasmic reticulum, distortion of mitochondria and increase of lysosome. Furthermore, the sequential arrangement of collagen fibrils was disturbed, the collagen network broke down and the proteoglycan granules decreased.

结果：细胞发生了不同程度的改建及退行性反应，如粗面内质网的扩张，线粒体肿胀，溶酶体增多等；基质中胶原原纤维的有序排列结构消失，胶原网受到破坏，同时蛋白多糖颗粒减少；基质中脂质小体及基质小囊等成分增多；负重区较非负重区的改变更显著。

Results In model group, alveolitis increases (much inflammatory cell infiltration), pulmonary interstitial fibroblast increases.

结果］模型组7d时肺泡腔内大量炎性细胞浸润，可见少量成纤维细胞，Ⅰ型细胞受损，Ⅱ型细胞明显增生；28d时肺泡炎减轻，肺间质和胸膜层胶原纤维明显增多。

One eye in patients was selected to do the tear film breakup time, Schirmer test and cornea fluorescein staining, and the expression of NFκB and TGFβ1 on bulbar conjunctiva endepidermis was detected by immunohistochemistry.

TGFβ1是多功能细胞因子，对上皮细胞具有较明显的抑制作用，对成纤维细胞及其他间叶组织来源的细胞均具有明显的刺激作用，表现为胶原合成增加，有利于组织修复及伤口愈合［3，4］。

The in vitro effect of Astragalus radix water extract onthe non-specific immune responses of macrophages isolated from the head kidney of Cyprinus carpio was evaluated.

用RPMI细胞培养液对分离的细胞进行原代培养，在细胞培养液中加入不同浓度的黄芪水提取液来研究黄芪对鲤头肾中免疫细胞非特异性免疫应答的影响。

The illumination can urge the human body cell 5 times of speeds to grow,when the cytochrome in the cytogenous gland is started by the lamp-house,promotes glucose transformate to ATP,the cell metabolism energy rise, thus stimulates the collogen hyperplasia,the different lamp-house can have the different influence to the skin.

光照能促使人体细胞5倍速生长，当细胞粒腺体内的细胞色素被光源启动，促进葡萄糖转化为ATP，细胞的新陈代谢能量上升，从而刺激胶原蛋白的增生，不同的光源会对皮肤产生不同的影响。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。