在线英语听力室

专业术语—口腔生理学术语P2(英文详解)

时间:2006-07-05 16:00:00

(单词翻译:单击)

    pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse1 of the logarithm of the concentration of hydrogen ions.

    Phagocytosis - the ingestion of small particles, bacteria or viruses into the cell, by engulfing2 it in a vacuole.

    Phosphate - a salt in which the negatively charged part is a phosphorus molecule3 joined to four oxygen molecules4 as PO4.

    Phospho-proteins - proteins which contain available phosphate groups.

    Phospholipids - are the most common lipids in our cell membranes5. The head group contains a phosphate and is readily soluble6 in water. Phospholipids are also found inmatrix vesicles, and they provide the first step in the synthesis of prostaglandins

    Planktonic7 - a form of life style in which an organisms floats freely in a fluid without significant attachment8 or association with other living forms.

    Plaque9 is a film of bacteria in a matrix of salivary10 and bacterial11 polymers. It can be called a biofilm as it has a complex population of organisms which when mature, reach an ecological12 balance with one another.


分享到:


点击收听单词发音收听单词发音  

1 inverse GR6zs     
adj.相反的,倒转的,反转的;n.相反之物;v.倒转
参考例句:
  • Evil is the inverse of good.恶是善的反面。
  • When the direct approach failed he tried the inverse.当直接方法失败时,他尝试相反的做法。
2 engulfing a66aecc2b58afaf86c4bed69d7e0dc83     
adj.吞噬的v.吞没,包住( engulf的现在分词 )
参考例句:
  • A photographer had fused the lights,engulfing the entire house darkness. 一位摄影师把电灯的保险丝烧断了,使整栋房子陷于黑暗当中。 来自《简明英汉词典》
  • A professional photographer had fused the lights,engulfing the entire house in darkness. 一位职业摄影师把保险丝烧断了使整所房子陷于黑暗当中。 来自辞典例句
3 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。
4 molecules 187c25e49d45ad10b2f266c1fa7a8d49     
分子( molecule的名词复数 )
参考例句:
  • The structure of molecules can be seen under an electron microscope. 分子的结构可在电子显微镜下观察到。
  • Inside the reactor the large molecules are cracked into smaller molecules. 在反应堆里,大分子裂变为小分子。
5 membranes 93ec26b8b1eb155ef0aeaa845da95972     
n.(动物或植物体内的)薄膜( membrane的名词复数 );隔膜;(可起防水、防风等作用的)膜状物
参考例句:
  • The waste material is placed in cells with permeable membranes. 废液置于有渗透膜的槽中。 来自辞典例句
  • The sarcoplasmic reticulum is a system of intracellular membranes. 肌浆网属于细胞内膜系统。 来自辞典例句
6 soluble LrMya     
adj.可溶的;可以解决的
参考例句:
  • These tablets are soluble in water.这些药片可在水中溶解。
  • Camphor is soluble in alcohol.樟脑在酒精中可以溶化。
7 planktonic 2c5a613b77b0c07117d54f76116dec2a     
[医] 浮游生物的
参考例句:
  • Warmer Winters: Are Planktonic Algal Populations in Sweden's Largest Lakes Affected? 暖冬:瑞典最大湖泊的浮游藻类种群是否受到影响?
  • They eat planktonic crustaceans and fish larvae. 以浮游的甲壳动物和鱼类幼体为食。
8 attachment POpy1     
n.附属物,附件;依恋;依附
参考例句:
  • She has a great attachment to her sister.她十分依恋她的姐姐。
  • She's on attachment to the Ministry of Defense.她现在隶属于国防部。
9 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。
10 salivary xCSzA     
adj. 唾液的
参考例句:
  • Small doses depress salivary and bronchial secretion and sweating. 小剂量可抑制唾液分泌、支气管分泌及出汗。
  • The five pairs of salivary glands open into the mouth. 有五对唾液腺通向口腔。
11 bacterial dy5z8q     
a.细菌的
参考例句:
  • Bacterial reproduction is accelerated in weightless space. 在失重的空间,细菌繁殖加快了。
  • Brain lesions can be caused by bacterial infections. 大脑损伤可能由细菌感染引起。
12 ecological IrRxX     
adj.生态的,生态学的
参考例句:
  • The region has been declared an ecological disaster zone.这个地区已经宣布为生态灾难区。
  • Each animal has its ecological niche.每种动物都有自己的生态位.