专业术语—口腔生理学术语J-K(英文详解)

时间：2006-06-21 16:00:00

（单词翻译:单击）

Junctional epithelium - the epithelium which seals the base of the gingival sulcus against the tooth.

Keratan sulphate - a glycosaminoglycan found in cartilage, with chondroitin sulphate.

Keratin - a fibrous polymer which is notas strong as collagen but less soluble¹. It forms the strong and water-resistant properties of skin, nails, hair, horn and beaks².

Keratinised - an epithelium in which the superficial cells have lost their nuclei³ and become filled with intermediate filaments⁴ ofkeratin.

Keratinocytes - Cells of the epidermis⁵ which secrete⁶ the protein keratin. They become progressively flattened⁷ as they mature and are eventually are off.

Kreb cycle - the end stage of aerobic⁸ respiration⁹. Kreb's cycle is a circular series of reactions taking place in the matrix of mitochondria in which acetyl CoA is broken down into carbon dioxide and hydrogen atoms. The hydrogen atoms are used to produce ATP via the electron transport system.

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1 soluble
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。

2 beaks
n.鸟嘴( beak的名词复数 )；鹰钩嘴；尖鼻子；掌权者
参考例句：
Baby cockatoos will have black eyes and soft, almost flexible beaks. 雏鸟凤头鹦鹉黑色的眼睛是柔和的，嘴几乎是灵活的。来自互联网 Squid beaks are often found in the stomachs of sperm whales. 经常能在抹香鲸的胃里发现鱿鱼的嘴。来自互联网

3 nuclei
n.核
参考例句：
To free electrons, something has to make them whirl fast enough to break away from their nuclei. 为了释放电子，必须使电子高速旋转而足以摆脱原子核的束缚。 Energy is released by the fission of atomic nuclei. 能量是由原子核分裂释放出来的。

4 filaments
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

5 epidermis
n.表皮
参考例句：
The external layer of skin is called the epidermis.皮的外层叫表皮。 There is a neoplasm originating in his leg's epidermis.他的腿上有个生长在表皮上的肿瘤。

6 secrete
vt.分泌；隐匿，使隐秘
参考例句：
The pores of your body secrete sweat.身上的毛孔分泌汗液。 Squirrels secrete a supply of nuts for winter.松鼠为准备过冬而藏坚果。

7 flattened
[医]（水）平扁的，弄平的
参考例句：
She flattened her nose and lips against the window. 她把鼻子和嘴唇紧贴着窗户。 I flattened myself against the wall to let them pass. 我身体紧靠着墙让他们通过。

8 aerobic
adj.需氧的，增氧健身法的，有氧的
参考例句：
Aerobic exercise helps to build up stamina.有氧健身操有助于增强耐力。 Aerobic dance is conductive to the health.有氧舞蹈有助于健康。

9 respiration
n.呼吸作用；一次呼吸；植物光合作用
参考例句：
They tried artificial respiration but it was of no avail.他们试做人工呼吸，可是无效。 They made frequent checks on his respiration,pulse and blood.他们经常检查他的呼吸、脉搏和血液。