notochord

notochord

1. small (2 in) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone;

2英寸大小已经灭绝的长有带鳍尾、脊索和含有细胞质状骨胳的锥形牙齿似鳗的鱼；

2. small (2 in) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes.

2英寸大小已经灭绝的长有带鳍尾、脊索和含有细胞质状骨胳的锥形牙齿似鳗的鱼；后寒武纪到后三叠纪的生物；可能是圆口纲脊椎动物的祖先。

3. hypochord A transitional rod of cells which develops under the notochord in the trunk region of some embryos.

下脊索在一些胚胎的躯干区域中在脊索下面发育的细胞转移杆。

4. Notochord is organized after mucous retreat change, it is the main source of pith nucleus to the bequeath when be born;

以后脊索组织粘液退变，至出生时遗留为髓核的主要来源；

5. somites Primitive, segmented, mesodermal tissue along each side of notochord.

体节（复数）沿著脊索两边，是原始而片段的中胚层组织。

6. 1. any animal of the phylum Chordata having a notochord or spinal column .

具有脊索动物或脊椎的脊索动物门的动物。

7. preflexion larva Developmental stage beginning at hatching and ending at the start of the upward flexion of the notochord.

前弯曲期幼体从孵化到脊索开始向上弯曲为止的发育阶段。

8. comprises true vertebrates and animals having a notochord.

包含真正的脊椎动物和脊索动物。

9. What different rate produces inside notochord cell at the same time is mucous retreat change and proliferous.

同时脊索细胞内发生不同程度的粘液退变和增生。

10. postflexion stage Developmental stage between the end of notochord flexion and the beginning of the juvenile stage.

后弯曲阶段介于脊索弯曲结束与稚鱼期开始之间的发育阶段。

11. For answers, the researchers examined samples of notochord cells from adult dogs, with attention to their effect on the regulation of important genes in chondrocytes, or cells found in cartilage.

回答此问题，研究人员检查成年犬的脊索细胞，注意到他们对软骨细胞或软骨内的细胞重要基因表达有调节作用。

12. In certain breeds of dogs, notochord cells remain ibrant in the interertebral disc into adulthood.

在一些犬类，直到成年，椎间盘内的脊索细胞仍活跃。

13. Comprise by notochord cell in area of interverbebral disc center.

在椎间盘中心区域由脊索细胞组成。

14. When notochord organization is ceaseless and migratory, fiber annulus also increases.

在脊索组织不断迁移时，纤维环亦增大。

15. foramen A small opening, orifice, or perforation. Used when something, e.g. nerve, blood vessel, notochord, passes through the opening. Plural foramina.

孔一种小孔，孔口，或穿孔。用于当某物，例如神经，血管，脊索，经过开口时。

16. they have a tail like a tadpole that contains the notochord.

它们有含有脊索的蝌蚪形尾巴。

17. The evolutionary precursor to the backbone, the notochord is a fine, flexible chord defining the body axis in the early embryos of all vertebrates.

对于一些家畜,如绵羊,山羊和狗,很少发生椎间盘变性。

18. A notochord limited to the caudal region, characteristic of the urochordates.

尾索限于尾部的脊索，有尾索动物的特征

19. flexion Upward bending of the notochord tip in larvae of most teleost fishes (urostyle from postflexion stage) as part of the formation of the caudal complex.

弯曲在大多数硬骨鱼仔鱼(从后弯曲时期的尾骨)的脊索顶端的向上弯曲，是形成尾鳍复合体的一部份。

20. flexion stage Developmental stage from the time the notochord tip commences bending upwards to the time the posterior edge of the hypural bones assumes a vertical position.

弯曲阶段发育阶段从脊索顶端开始弯曲的时候，到尾下硬骨后缘呈现一个垂直状态时。

21. Appear when interverbebral disc, the centrum with abdomen of notochord week scabbard, dorsal outspread will real share former base cent is the left and right sides two half.

当椎间盘出现，脊索周鞘腹、背侧的延伸部分将真正的椎体原基分为左右两半。

22. When soft ossification undertakes, notochord cell is inside centrum ceaselessly shift arrives inside interverbebral disc organization.

当软骨化进行时，脊索细胞在椎体内不断地移位到椎间盘组织内。

23. The shh Promoter of Zebrafish Directs the Expression of GFP in Notochord

斑马鱼shh启动子指导绿色荧光蛋白基因在脊索中的表达

24. Does the degree of biochemical protection notochord cells proide explain the difference in susceptibility to degeneratie disc disease between canines and humans?

是否脊索细胞的生物化学保护机制提供人和犬间在椎间盘变性易感方面的差别?

25. primitive marine animal having a saclike unsegmented body and a urochord (a notochord) conspicuous in the larva.

有囊状不分段形状身体的原始海洋动物，幼虫阶段有明显的脊索。

26. Fishlike animals having a notochord rather than a true spinal column.

有脊索但无真正的脊柱鱼类动物。

27. Right now the notochord cell between vertebra is added gradually much.

此时椎间的脊索细胞逐渐增多。

28. The notochord is straight and caudal fin structures are beginning to form on the ventral side of the notochord.

此时脊索是直的，而且尾鳍的结构开始在脊索的腹侧边上形成。

29. Right now notochord cell disappears, pith nucleus becomes a fiber cartilage with soft and less cell gradually.

此时脊索细胞消失，髓核逐渐成为一个软而细胞较少的纤维软骨。

30. Right now, notochord organization is circled by the compact ministry package that did not have soft ossification cell, and from this and form true fiber link.

此时，脊索组织由未进行软骨化细胞的致密部包绕，并由此而形成真正的纤维环。

31. This shows, pith nucleus has two origin: It is notochord organization, the 2 lining that are fiber annulus.

由此可见，髓核有两个起源：一是脊索组织，二是纤维环的内层。

32. Notochord distortion in zebrafish embryo induced by thiuram

福美双引起的斑马鱼脊索波状弯曲

33. any animal lacking a backbone or notochord; the term is not used as a scientific classification

缺少脊椎或脊索的动物；该术语不用于科学分类

34. any animal lacking a backbone or notochord; the term is not used as a scientific classification.

缺少脊椎或脊索的动物；该术语不用于科学分类。

35. The 18th week interverbebral disc notochord organizes embryo more embryonic organization of the 7.5th week of whole notochord is much.

胚胎第18周的椎间盘脊索组织较胚胎第7.5周整个脊索组织为多。

36. "Chordate:any of numerous animals belonging to the phylum Chordata, having at some stage of development a dorsal nerve cord, a notochord, and gill slits and including all vertebrates and certain marine animals, such as the lancelets."

脊索动物:包括所有的脊椎动物以及如文昌鱼之类的海洋动物的脊索动物门的大量动物中的任一个,在某些生长阶段有背部神经索、背索及鳃裂.

37. Any of numerous animals belonging to the phylum Chordata, having at some stage of development a dorsal nerve cord, a notochord, and gill slits and including all vertebrates and certain marine animals, such as the lancelets.

脊索动物包括所有的脊椎动物以及如文昌鱼之类的海洋动物的脊索动物门的大量动物中的任一个，在某些生长阶段有背部神经索、背索及鳃裂

38. any of numerous animals belonging to the phylum Chordata,having at some stage of development a dorsal nerve cord,a notochord,and gill slits and including all vertebrates and certain marine animals,such as the lancelets

脊索动物，包括所有的脊椎动物以及如文昌鱼之类的海洋动物的脊索动物门的大量动物中的任一个，在某些生长阶段有背部神经索、背索及鳃裂

39. Itself of notochord week scabbard still is in the center of centrum of cartilage source sex area, call mucous account.

脊索周鞘本身仍在软骨源性椎体的中心区，称为粘液状条。

40. Notochord is in fill qualitative period for one materiality all alone.

脊索在间充质期为一实质性条索。

41. The eolutionary precursor to the backbone, the notochord is a fine, flexible chord defining the body axis in the early embryos of all ertebrates.

脊索是脊椎进化的前体，脊索在所有的脊椎动物胚胎早期起到柔韧轴的作用。

42. split notochord deformity

脊索裂畸形

43. split notochord syndrome

脊索裂综合征

44. As each vertebral body forms， the notochord is replaced.

脊索退化为成人椎间盘中的髓核。

45. notochord length A straight line measurement from tip of snout to tip of notochord.

脊索长度从吻尖到脊索顶端的直线大小。

46. free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord.

自由游动的海鞘类幼体；它们有含有脊索的蝌蚪形尾巴。

47. Any of various small, flattened marine organisms of the subphylum Cephalochordata, structurally similar to the vertebrates but having a notochord rather than a true vertebral column.

蛞蝓鱼类任一种体形较小的头索动物纲的扁平海洋动物，它们在结构上与脊椎动物类似，但只有一个脊索而没有真正的脊椎

48. Any of various small,flattened marine organisms of the subphylum Cephalochordata,structurally similar to the vertebrates but having a notochord rather than a true vertebral column.

蛞蝓鱼，类任一种体形较小的头索动物纲的扁平海洋动物，它们在结构上与脊椎动物类似，但只有一个脊索而没有真正的脊椎。

49. a notochord limited to the caudal region,characteristic of the urochordates

限于尾部的脊索，有尾索动物的特征

50. As the notochord inside centrum close, notochord cell from centrum migratory to vertebra clearance.

随着椎体内脊索的闭合，脊索细胞从椎体迁移到椎间隙。

51. presumptive notochord

预定脊索

52. endocranium That portion of the neurocranium consisting of the elements surrounding the olfactory, optic and otic capsules and the anterior end of the notochord.

颅内膜脑颅的部份，包含嗅觉，视觉与听觉的囊鞘周围与脊索前端。

53. Pith nucleus grows in fetal later period and infantile period very fast, have inside pith nucleus many and mucous qualitative, there is bunch inside, into bundle notochord cell composition.

髓核在胎儿后期及婴儿时期生长很快，在髓核内有大量粘液间质，内有成簇、成束的脊索细胞组成。

54. In the development process of pith nucleus, after notochord cell disappears, the growth of pith nucleus basically relies on the hyperplasia of fiber composition.

髓核的发育过程中，当脊索细胞消失后，髓核的生长主要靠纤维成分的增殖。