- 更多网络例句与盲鳗相关的网络例句 [注:此内容来源于网络,仅供参考]
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Any of various primitive eellike vertebrates of the class Agnatha,such as a lamprey, lacking jaws and true teeth and having a circular,sucking mouth.
圆口纲脊椎动物一种类似鳗鱼的无颚纲原始脊椎动物,如盲鳗,没有下颚和真正的牙齿,而长着圆形吮吸的嘴
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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
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Hagfish have elongated, 'eel-like' bodies, and paddle-like tails.
盲鳗有着和鳗鱼一样的长身体和短浆式的尾巴。
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The crystal structures of hagfish variable lymphocyte receptor monomers indicate that they adopt a horseshoe-shaped structure and likely bind antigens through the hypervariable concave surface.
晶体衍射分析发现,盲鳗的VLRs呈现一种"马蹄"型结构,抗原结合位点则位于"马蹄"的凹面区。
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Hagfish are long, vermiform and can exude copious quantities of a sticky slime or mucus.
盲鳗身体很长,像蚯蚓一样,并且可以分泌很多黏液。
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Although they looks like eels, hagfish are a fish -- really slimy ones. When captured and held by the tail, they escape by secreting slime, which turns into a thick and sticky gel when mixed with water.
尽管盲鳗看起来很像鳗鱼,但是它要比鳗鱼更加狡猾,当它被捕获的时候,它身体的粘液就会同水混合变成厚厚的、非常黏滑的凝胶,使其得以逃脱掉,尤其值得一提的是盲鳗进食方式很可怕,它通过啃咬的方式进入动物尸体中进食,甚至可以在尸体中呆3天之久。
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Hagfish Any of various primitive, eel-shaped marine fishes of the family Myxinidae, having a jawless sucking mouth equipped with rasping teeth with which they bore into and feed on other fishes.
盲鳗:一种盲鳗科的原始的鳗形海洋鱼种。有一个无颌的吸嘴,嘴里有锉齿,盲鳗用这种牙齿能刺入其它鱼类的身体并以它们为食
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What fish can live without water 9 Why inger to live in the big fish of the abdominal cavity where?
什么鱼离开了水也能活9为什么盲鳗要生活在大鱼的腹腔里?
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Any of various primitive, eel-shaped marine fishes of the family Myxinidae, having a jawless sucking mouth equipped with rasping teeth with which they bore into and feed on other fishes.
盲鳗一种盲鳗科的原始的鳗形海洋鱼种。有一个无颌的吸嘴,嘴里有锉齿,盲鳗用这种牙齿能刺入其它鱼类的身体并以它们为食
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Extant jawless vertebrates, represented by lampreys and hagfishes, have innate immune receptors with variable domains structurally resembling T/B-cell receptors. However, they lack cardinal elements of adaptive immunity shared by all jawed vertebrates: T/B-cell receptors and major histocompatibility complex molecules.
在以七鳃鳗和盲鳗为代表的无颌类脊椎动物中,虽然发现了与有颌类脊椎动物T细胞受体(T-cell receptors, TLRs)、B细胞受体(B-cell receptors, BCRs)可变区具有相似结构的先天性免疫受体,却从未发现有颌类脊椎动物适应性免疫系统的核心组分:TCRs、BCRs、组织相容性复合体(Major histocompatibility complex, MHC)。
- 更多网络解释与盲鳗相关的网络解释 [注:此内容来源于网络,仅供参考]
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agnatha:无頜纲
它们在海洋中行底栖生活,身披厚重的外骨骼,没有上下颔,也没有胸鳍、腹鳍等可活动的偶鳍. 与介皮类亲缘关系最接近的脊椎动物是无颌纲(Agnatha)的盲鳗(Hag fishes)及八目鳗(lampreys),它们的脊椎还是软骨质,是相当原始的脊椎动物.
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semicircular canal:半规管
内耳平衡器只有1或2个半规管(semicircular canal). 9.雌雄异体(七鳃鳗)或同体(盲鳗),生殖腺单个(发育初期成对),无生殖导管. 性成熟后生殖腺在繁殖季节表面破裂,释出精子或卵,由腹腔经生殖孔(genital pore)进入尿殖窦(urogeni-tal sinus),
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CYCLOSTOMATA:第十三章圆口纲
第十三章圆口纲Cyclostomata | 第一目七鳃鳗目Petromyzoniformes | 第二目盲鳗目Myxiniformes
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glossopharyngeal nerve:舌咽神经
脑神经中的舌咽神经(glossopharyngeal nerve)和迷走神经(vagus nerve)因脑颅的枕骨区不发达,所以是由头骨之外的延脑两侧分出的. 脊神经的背根和腹根互不相连成混合神经. 内耳平衡器只有1或2个半规管(semicircular canal). 9.雌雄异体(七鳃鳗)或同体(盲鳗),
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hagfish:盲鳗
从形态上判断,它们与现存的盲鳗(hagfish)、七鳃鳗(lamprey)等类无颌脊椎动物(agnathan)同类,很可能是其始祖. 这一发现的重要性在於:这"海口鱼"化石出现於寒武纪早期,即5.4亿年前左右,
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hagfish:粘盲鳗
HagemanfactorHF哈格曼因子 | hagfish粘盲鳗 | Haggenmacherequation哈根马歇方程式
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EPTATRETIDAE:粘盲鳗科
七鳃镘目 PETROMYZONIFORMES | 粘盲鳗科 EPTATRETIDAE | 软骨鱼纲 CHONDRICHTHYES
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Myxini or Hyperotreti:(盲鳗)
Craniata (有头类) | Myxini or Hyperotreti (盲鳗) | Vertebrata (脊椎动物)
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Myxine:盲鰻
③脊椎动物:此类寄生生物很罕见.盲鳗(Myxine)是脊椎动物中唯一的内寄生动物.在阿马逊流域有种鱼名为Candiru(Vandellia cirrhosa).它会钻进水中作业的渔民的生殖器.可达13厘米长.1.专性寄生虫(obligatory parasite)生活史及各个阶段都营寄生生活.如丝虫,
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MYXINIDAE:盲鳗科
盲鳗族 Myxini | 盲鳗科 MYXINIDAE | 盲鳗目 MYXINIFORMES