鳃的

He started to pull the fish in to have him alongside so that he could pass a line through his gills and out his mouth and make his head fast alongside the bow.

他动手把鱼拖到船边，这样可以用一根绳子穿进它的鳃，从嘴里拉出来，把它的脑袋紧绑在船头边。

Primers used in PCR were designed based on the sequence of mitochondrial 16S rDNA (AJ250642 and AF312718) and beta-actin (AY910691) of Eriocheir sinensis which had been deposited in GenBank. PCR analysis using total DNA from muscle, branchia, testis and sperm indicated that 16S rDNA exhibited different expression in the four samples. Beta-actin gene was detected plentiful in all the four tissues/cells and exhibited the same expression pattern. 16S rDNA gene amplification was detected at high levels in muscle and branchia, appreciable low in testis and very low in sperm. The PCR products of 16S rDNA gene were sequenced and aligned with the sequence of 16S rDNA from GenBank (AJ250642 and AF3 12718), and the alignment result showed there was no difference between them.

通过GenBank中的中华绒鳌蟹线粒体16S rDNA序列设计引物，利用PCR扩增方法，以beta-actin做内参，检测了中华绒螯蟹肌肉、鳃、精巢和精子中线粒体16S rDNA扩增情况，发现各组织或细胞beta-actin扩增片段大小、条带宽度和亮度基本一致，表明各模板DNA量基本一致；而在同一DNA浓度下，16S rDNA的扩增片段长度虽一致，但其产物量存在明显差异，精子16s rDNA产物量显著低于其他3种组织，其条带宽度和亮度很弱；16S rDNA扩增产物经测序分析及比对证明与已有序列完全吻合。

Larval fish can exchange ions through their skin, and early fish likely used rudimentary gill structures known as branchial baskets.

鱼苗能通过皮肤进行离子交换，而早期的鱼使用原始的鱼鳍结构——气管鳃篓。

Tracy Timko Rose, the Warren Assistant City Prosecutor, said the city was prepared to go forward with charges against Gill but that Kovach's unavailability to testify forced them to drop the case.

特雷西timko玫瑰，沃伦市助理检察官表示，该市准备前往向前控告鳃，但kovach的无法出庭作证，迫使他们辍学的情况。

It may include the remains of bottom-dwelling forms (e.g. ammonites, echinoderms, and pelecypods), and nodules of chert and pyrite.

它可以包括海底形态的残留物（即鹦鹉螺化石、棘皮动物和瓣鳃纲斧足类动物）和燧石和黄铁矿的结节。

The aim of this work was to study the effect of Cu2+ on the activities of antioxidant enzyme CAT,SOD and GSH-PX in the Gill of Chlamys farreri .

将栉孔扇贝置于不同浓度的Cu2+溶液中10d，测定其鳃组织过氧化氢酶，谷胱甘肽过氧化物酶，超氧化物歧化酶的活性。

An exposure experiment was made to study the effect of copper at different concentrations on its accumulation and CAT activities in gills, muscle and visceral mass of Chlamys farreri.

采用暴露实验方法，研究了不同浓度的Cu(Cu2+)对栉孔扇贝鳃、肌肉、内脏团组织中Cu蓄积量及过氧化氢酶活性的影响。

Any of various primitive aquatic vertebrates of the class Cyclostomata,lacking jaws and including the lampreys and hagfishes.

鳗类，鳗无颚的各种原始水生圆口纲脊椎动物中的一种，包括七鳃鳗和盲鳗

Order of extinct dibranchiate cephalopods related to the surviving spirulas.

已灭绝的二鳃目头足类动物目，与现存的旋壳乌贼相关。

These are pale discolor areas on the gills that is not normal, she says.

这些都在鳃是不正常的苍白褪色的地区，她说。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。