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专业术语—口腔生理学术语D2(英文详解)

时间:2006-06-21 16:00来源:互联网 提供网友:qq147852   字体: [ ]
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    Dermatan sulphate - a glycosaminoglycan found in skin, tendon, blood vessel1 and heart valves.

    Desmosomes -one of the types of cell junctions2 by which cells join or communicate with each other. Desmosomes consist of a round plaque3 of protein, desmoplakin on the cell membrane4. Into the plaque are attached fine filamanents which are part of the cell's cytoskeleton. So the plaque is attached to the skeleton of the cell. Where the filaments5 enter the plaque the are so dense6 as to be visible with a light microscope. They are then called tonofilaments. The plaque of one cell adheres to the plaque of another. This system of joining cells is designed to resist mechanical separation, so we see desmosomes joining epithelial cells which hold tightly to each other. If epithelium is processed for histology, some shrinkage occurs and the epithelial cells separate from each other, except where the desmosomes hold them together. The pulled out tags of cell membrane give these cells a star-like shape, and so they are called the stellate cells.

    Desquamation - the detachment of cells from the surface of an epithelium.

    Dextrans - polysaccharides made by bacteria. They have a slimy consistency7 and contribute to the sticky nature of plaque.

    Differentiate8 - change in the pattern of genes9 expressed by a cell resulting in altered function, from a more primitive10 parent cell to a more specialised group of daughter cells.

    Diphyodont - only two sets of teeth, one deciduous11 and one permanent (from "di" = two,"phyo+ = generation and "dont" =teeth). See also polyphyodont

    Displacement12 - of a tooth refers to its movement within the confines of the tooth socket13. A tooth can be displaced more easily when forced in a lateral14 direction than when forced into the socket. Continual or frequent displacement of a tooth may lead to it repositioning itself in the socket.

    DNA15 - Deoxyribosenucleic acid - a complex nucleic acid molecule16 which is used by cells to store genetic17 material as genes which control the structure of proteins and hence influencing all enzyme18 reactions. DNA is coiled in a single closed loop in procaryotes, but coiled round other proteins to form a chromosome19, and stored in the nucleus20 of eucaryotes

    Duct - a tube which carries a secretion21 onto the surface of skin or mucosa.


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1 vessel 4L1zi     
n.船舶;容器,器皿;管,导管,血管
参考例句:
  • The vessel is fully loaded with cargo for Shanghai.这艘船满载货物驶往上海。
  • You should put the water into a vessel.你应该把水装入容器中。
2 junctions 8d6818d120fa2726af259fc9dc6c7c61     
联结点( junction的名词复数 ); 会合点; (公路或铁路的)交叉路口; (电缆等的)主结点
参考例句:
  • Metals which were mutually soluble would tend to give strong junctions. 可互溶的金属趋向于产生牢固的结合点。
  • Some adhering junctions are present as narrow bands connecting two cells. 有些粘附连接以一窄带的形式连接两个细胞。
3 plaque v25zB     
n.饰板,匾,(医)血小板
参考例句:
  • There is a commemorative plaque to the artist in the village hall.村公所里有一块纪念该艺术家的牌匾。
  • Some Latin words were engraved on the plaque. 牌匾上刻着些拉丁文。
4 membrane H7ez8     
n.薄膜,膜皮,羊皮纸
参考例句:
  • A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑。
  • A plastic membrane serves as selective diffusion barrier.一层塑料薄膜起着选择性渗透屏障的作用。
5 filaments 82be78199276cbe86e0e8b6c084015b6     
n.(电灯泡的)灯丝( filament的名词复数 );丝极;细丝;丝状物
参考例句:
  • Instead, sarcomere shortening occurs when the thin filaments'slide\" by the thick filaments. 此外,肌节的缩短发生于细肌丝沿粗肌丝“滑行”之际。 来自辞典例句
  • Wetting-force data on filaments of any diameter and shape can easily obtained. 各种直径和形状的长丝的润湿力数据是易于测量的。 来自辞典例句
6 dense aONzX     
a.密集的,稠密的,浓密的;密度大的
参考例句:
  • The general ambushed his troops in the dense woods. 将军把部队埋伏在浓密的树林里。
  • The path was completely covered by the dense foliage. 小路被树叶厚厚地盖了一层。
7 consistency IY2yT     
n.一贯性,前后一致,稳定性;(液体的)浓度
参考例句:
  • Your behaviour lacks consistency.你的行为缺乏一贯性。
  • We appreciate the consistency and stability in China and in Chinese politics.我们赞赏中国及其政策的连续性和稳定性。
8 differentiate cm3yc     
vi.(between)区分;vt.区别;使不同
参考例句:
  • You can differentiate between the houses by the shape of their chimneys.你可以凭借烟囱形状的不同来区分这两幢房子。
  • He never learned to differentiate between good and evil.他从未学会分辨善恶。
9 genes 01914f8eac35d7e14afa065217edd8c0     
n.基因( gene的名词复数 )
参考例句:
  • You have good genes from your parents, so you should live a long time. 你从父母那儿获得优良的基因,所以能够活得很长。 来自《简明英汉词典》
  • Differences will help to reveal the functions of the genes. 它们间的差异将会帮助我们揭开基因多种功能。 来自英汉非文学 - 生命科学 - 生物技术的世纪
10 primitive vSwz0     
adj.原始的;简单的;n.原(始)人,原始事物
参考例句:
  • It is a primitive instinct to flee a place of danger.逃离危险的地方是一种原始本能。
  • His book describes the march of the civilization of a primitive society.他的著作描述了一个原始社会的开化过程。
11 deciduous 992yy     
adj.非永久的;短暂的;脱落的;落叶的
参考例句:
  • Overgrown deciduous shrubs can be cut back at this time of year.过于繁茂的落叶灌木可以在每年的这个时候修剪。
  • Deciduous trees shed their leaves in autumn.落叶树木在秋天落叶。
12 displacement T98yU     
n.移置,取代,位移,排水量
参考例句:
  • They said that time is the feeling of spatial displacement.他们说时间是空间位移的感觉。
  • The displacement of all my energy into caring for the baby.我所有精力都放在了照顾宝宝上。
13 socket jw9wm     
n.窝,穴,孔,插座,插口
参考例句:
  • He put the electric plug into the socket.他把电插头插入插座。
  • The battery charger plugs into any mains socket.这个电池充电器可以插入任何类型的电源插座。
14 lateral 83ey7     
adj.侧面的,旁边的
参考例句:
  • An airfoil that controls lateral motion.能够控制横向飞行的机翼。
  • Mr.Dawson walked into the court from a lateral door.道森先生从一个侧面的门走进法庭。
15 DNA 4u3z1l     
(缩)deoxyribonucleic acid 脱氧核糖核酸
参考例句:
  • DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
  • Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
16 molecule Y6Tzn     
n.分子,克分子
参考例句:
  • A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.一个水分子是由P妈̬f婘̬ 妈̬成的。
  • This gives us the structural formula of the molecule.这种方式给出了分子的结构式。
17 genetic PgIxp     
adj.遗传的,遗传学的
参考例句:
  • It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
  • Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
18 enzyme cPozF     
n.酵素,酶
参考例句:
  • Above a certain temperature,the enzyme molecule will become unfolded.超过一定温度,酶分子将会展开。
  • An enzyme that dissolves the fibrin of blood clots.能溶解血凝块中的纤维的酶。
19 chromosome 7rUzX     
n.染色体
参考例句:
  • Chromosome material with exhibits of such behaviour is called heterochromatin.表现这种现象的染色体物质叫做异染色质。
  • A segment of the chromosome may become lost,resulting in a deletion.染色体的一个片段可能会丢失,结果产生染色体的缺失。
20 nucleus avSyg     
n.核,核心,原子核
参考例句:
  • These young people formed the nucleus of the club.这些年轻人成了俱乐部的核心。
  • These councils would form the nucleus of a future regime.这些委员会将成为一个未来政权的核心。
21 secretion QDozG     
n.分泌
参考例句:
  • Is there much secretion from your eyes?你眼里的分泌物多吗?
  • In addition,excessive secretion of oil,water scarcity are also major factors.除此之外,油脂分泌过盛、缺水也都是主要因素。
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