蜕皮

tuì pí
  • molt;moult;slough;ecdysis;exuviate;cast off a skin
蜕皮蜕皮
蜕皮 [tuì pí]
  • (1) [ecdysis;exuviate;cast off a skin]∶生物学名词。节肢动物及部分爬虫类在生长过程中,一次或多次脱去外皮的现象

  • (2) [slough]∶蛇或其他蜕皮动物的皮;尤指蜕脱的皮

蜕皮[tuì pí]
  1. 六龄幼虫蜕皮初期,DNA和RNA的含量较对照试虫有所提高,但中后期的RNA含量低于对照,在测试的时龄(12~144时龄)范围内,RNA/DNA比值均明显降低。

    At the initial molt stage in the 6th instar , the contents of DNA and RNA were increased , but later RNA decreased rapidly and so did the ratio of RNA / DNA .

  2. 对不同实验条件和生理状态下雌蟹的比较表明,20-HE具有诱发蜕皮的特性。

    Comparison of hemolymph 20-HE titers of crabs in different experimental and physiological conditions revealed that 20-HE is capable of inducing the molt .

  3. 所有爬行动物生长过程中都要蜕皮。

    All reptiles have to slough their skin to grow

  4. 正在蜕皮的蛇

    a snake sloughing its skin

  5. 从猪去氧胆酸合成具有油菜甾醇内酯和β-蜕皮甾酮的A,B环结构单元的甾体化合物

    The synthesis of steroids containing structural unit of a , b ring of Brassinolide and ecdysone from hyodesoxycholic acid

  6. 中华绒螯蟹蜕皮抑制激素1(Ers-MIH1)基因组DNA的分子克隆和序列分析

    Molecular cloning and sequence analysis of genomic DNA of the molt-inhibiting hormone 1 gene from Eriocheir japonica sinensis

  7. 蜕皮甾酮对TNF所致脐静脉内皮细胞损伤的保护作用的初步观察

    Protective effect of ecdysterone on TNF-induced HUVEC in vitro

  8. 蜕皮甾酮改善AD模型动物学习记忆的实验研究

    The Experimental Study of Ecdysterone on Improvement of the Learning and Memory in AD Animal Model

  9. 蜕皮甾酮对大鼠急性心肌梗塞侧支循环形成及VEGF产生的影响

    Effects of ecdysterone on collateral formation and expression of VEGF in rat AMI

  10. 锯缘青蟹蜕皮抑制激素cDNA的分子克隆及其表达分析

    CDNA cloning and expression analysis of molt-inhibiting hormone in the mud crab Scylla serrata

  11. 目的研究昆虫变态激素蜕皮甾酮(EDS)是否能抑制内皮细胞的凋亡。

    Objective To study whether ecdysterone ( EDS ) inhibits apoptosis of endothelial cells .

  12. 蛹期共蜕皮两次,两次蜕皮间隔4d~5d;

    The pupa exuviate twice with an interval 4 to 5 days ;

  13. 甜菜夜蛾幼虫经过RNAi产生了严重的不正常生长发育以及表型缺陷的现象,难以完成幼虫-幼虫的蜕皮过程,幼虫-蛹的变态过程。

    After RNAi Spodoptera exigua larvae had abnormal growth and development as well as phenotypic defects phenomenon .

  14. 蜕皮甾酮在Caco-2细胞模型中的摄取和跨膜转运研究

    Transport and uptake of ecdysterone in Caco-2 cell monolayers

  15. 蜕皮甾酮(ecdysterone,EDS)是一种昆虫蜕皮活性的天然甾体化合物。

    Ecdysterone ( EDS ) is a natural steroid with molting activity in insects .

  16. 目的观察大鼠海马内给予Aβ2535后CFos基因在不同脑区表达的变化以及蜕皮甾酮的影响。

    Objective To observe the expression of c fos gene from brain of the rats induced by A β 25 35 and the effects of Ecdysterone on them .

  17. 研究结果显示在该植物中,MVA途径不仅可以合成蜕皮甾酮,同样可以合成环烯醚萜苷。

    The results showed that MVA pathway can synthesize not only ecdysones , but also iridoid glucosides .

  18. CuSO4对中华绒螯蟹蜕皮、生长和存活的影响

    Effects of water cuso_4 concentration on molting , growth and survival of Eriocheir sinensis

  19. 蜕皮甾酮与吡格列酮对胰岛素抵抗模型细胞的葡萄糖参入率与葡萄糖消耗量差异无显著性(P0·05)。

    The glucose uptake and glucose consumption of insulin resistance cells were not of the difference in the insulin resistance cells with ecdysterone and pioglitazone ( P0.05 ) .

  20. 目的研究大鼠烫伤后脏器血管内皮细胞通透性变化及机制,蜕皮甾酮(EDS)对脏器损伤的保护作用。

    Objective To study the changes of permeability of intracellular junction among the VECs and the protective effect of ecdysterone ( EDS ) on VECs injury in rat after scalding .

  21. 棉铃虫幼虫蜕皮过程及RH-5992对其蜕皮的影响

    Moulting process & effects induced by RH-5992 on Helicoverpa armigera

  22. 夏威夷的研究表明,阻止辐照过的卵孵化、被处理幼虫蜕皮进入下一龄期或被处理老熟幼虫化蛹,可能需要1000居里(Gy)或更高的剂量。

    Research in Hawaii has show that doses of1,000 Gy or more may be required to prevent hatch of irradiated eggs , molting of treated larvae to the next instar or pupation of treated mature larvae .

  23. 50倍丙酮提取物点滴5龄前期(蜕皮后1~8h)幼虫后,74.4%出现死亡,25.6%未死幼虫均变为畸形蛹;

    Acetone extracts were diluted 50-times to treat the earlier stage of 5th-instar larvae ( 1-8 hours after ecdysis ) , except 74.4 % died larvae , the others turned into malformed pupae ;

  24. 目的探讨蜕皮甾酮(Ecdysterone,ECR)改善Aβ25-35诱导大鼠学习记忆功能障碍的作用机制。

    Objective To explore the mechanism of ecdysterone ( ECR ) in prevention of learning and memory dysfunction of the rats induced by β - amyloid peptide ( A β 25-35 ) .

  25. 从三龄末期到五龄第五天期间,亚洲玉米螟幼虫的THC在蜕皮前后会下降,蜕皮后12小时左右降到最低点然后慢慢回升。

    From the late stage of third instar till fifth day of fifth instar , it is interesting to note that THC increased shortly before and after ecdysis and thereafter decreased to a basal level .

  26. 这个过程受两种相互拮抗的激素调控,即受到蜕皮激素(ecdysone)的刺激作用和蜕皮抑制激素(molt-inhibitinghormone,MIH)的抑制作用。

    This process is under the control of two antagonistic hormones . It is stimulated by the molting hormone ( ecdysone ) and suppressed by the molt-inhibiting hormone ( MIH ) .

  27. 而且Lm-TSP基因沉默会引起蜕皮液蛋白酶活性和壳蛋白降解活性降低。

    The knock-down of Lm-TSP also caused reduction in protease activity and cuticle degrading activity of the molting fluid .

  28. 不能及时青春蜕皮的青春期前雌蟹,稍后仍出现20-HE下降的趋势。

    Decreasing in20-HE of those female crabs failed to undergo a pubertal molting on time was also found but delayed .

  29. 激素处理结果证明,JHA单独处理及JHA和蜕皮素协同处理均能促进卵黄蛋白的合成和摄取,而蜕皮素单独处理没有促进作用。

    The results after treated with hormones indicated that both JHA individually and JHA together with ecdysone could increase the vitellin synthesis and intake , while ecdysone had no such effect .

  30. MIH肽产生于端髓X器(MTXO),储存在眼柄的窦腺中,通过抑制Y器分泌蜕皮激素来调节蜕皮。

    MIH is produced in the medulla terminalis of the X-organ ( MTXO ) and stored in the sinus gland of the eyestalk . It regulates molting by inhibiting the production of ecdysone by the Y-organ .