专业术语—口腔生理学术语P5(英文详解)
Prostaglandins - are members of a class of hormones 1 known as the eicosanoids. They are released by cells which have been damaged and have a powerful ability to sensitise nerve endings causing tenderness to the damaged area, and to cause vasoconstriction by contracting the smooth muscle of arterioles. They belong to a group of compounds which have a similar effect on nervous tissue, known asneuropeptides.
Proteins - usually very large molecules 2, from 10,000 to 200,000 amino acids, which form the structural 3 component 4 of a cell'smatrix. and cytoskeleton. All enzymes 5 are proteins.
Proton - the positively 6 charged elements of the nucleus 7 of an atom. A hydrogen atom without its electron amounts to a single proton charge.
Pulp 8 - the dental pulp is a connective tissue trapped inside the fully 9 formed tooth with just one entry and exit for nerves and vessels 10, at the apex 11 of the root. The characteristic cell of the pulp, is the odontoblast, which lines the walls of the pulp chamber 12 and is able to form dentine throughout life.
Pulpitis - inflammation of the dental pulp caused by irritation 13 from chemical, physical or bacterial 14 injury, usually transmitted to the pulp via the dentine. It is important for the clinical management of the tooth, to decide whether the pulpitis is reversible, that is will it resolve if the irritation is removed, or whether it has been damaged beyond its capacity to repair.
Pyrophosphate - inhibitors of mineralisation, they may offer up phospate ions in the presence of alkaline phosphatase. Crystals of calcium 15 pyrophosphates are found in abnormal calcification 16 of soft tissue, such as the disc of the TM Joint 17.
- 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。
- The storm caused no structural damage.风暴没有造成建筑结构方面的破坏。
- The North American continent is made up of three great structural entities.北美大陆是由三个构造单元组成的。
- Each component is carefully checked before assembly.每个零件在装配前都经过仔细检查。
- Blade and handle are the component parts of a knife.刀身和刀柄是一把刀的组成部分。
- It was said that washing powders containing enzymes remove stains more efficiently. 据说加酶洗衣粉除污更有效。
- Among the enzymes which are particularly effective are pepsin, papain. 在酶当中特别有效的是胃朊酶、木瓜酶。
- She was positively glowing with happiness.她满脸幸福。
- The weather was positively poisonous.这天气着实讨厌。
- 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。
- The pulp of this watermelon is too spongy.这西瓜瓤儿太肉了。
- The company manufactures pulp and paper products.这个公司制造纸浆和纸产品。
- The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气，然后全部呼出。
- They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
- The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》
- All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》
- He reached the apex of power in the early 1930s.他在三十年代初达到了权力的顶峰。
- His election to the presidency was the apex of his career.当选总统是他一生事业的顶峰。
- For many,the dentist's surgery remains a torture chamber.对许多人来说，牙医的治疗室一直是间受刑室。
- The chamber was ablaze with light.会议厅里灯火辉煌。
- He could not hide his irritation that he had not been invited.他无法掩饰因未被邀请而生的气恼。
- Barbicane said nothing,but his silence covered serious irritation.巴比康什么也不说，但是他的沉默里潜伏着阴郁的怒火。
- 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。
- We need calcium to make bones.我们需要钙来壮骨。
- Calcium is found most abundantly in milk.奶含钙最丰富。
- This may be associated with intraabdominal calcification. 与此同时，腹腔内可能发现钙化。 来自辞典例句
- Peritoneal calcification and pseudocyst are described when perforation occurs. 在发生穿孔的时候可有腹膜的钙化和假囊肿形成。 来自互联网