词义：角质蛋白，是一种在动物皮肤、指甲、羽毛等组织中存在的蛋白质。
词性：名词
词组搭配：keratin protein (角质蛋白)，keratinocyte (角质细胞)，keratosis (角化症)，keratinization (角化作用)
发音拼写：/?k?r?t?n/
以下是五个中英例句：
1. Keratin forms the main structural component of hair, nails, feathers and horns. (角质蛋白是头发，指甲，羽毛和角的主要结构组成部分。)
2. The keratin in the outer layer of the skin helps to protect the body against environmental damage. (皮肤外层中的角质蛋白有助于保护身体免受环境。)
3. A deficiency in keratin production can lead to brittle nails and hair. (角质蛋白生成不足会导致指甲和头发脆弱。)
4. The keratinocytes in the epidermis constantly produce new keratin to replace the old cells. (表皮中的角质细胞不断地产生新的角质蛋白以取代旧细胞。)
5. The keratinization process in the skin helps to create a barrier against water loss and pathogens. (皮肤中的角化作用有助于形成防止水分流失和病原体侵入的屏障。)
英文单词：keratin
中文翻译：角蛋白
读音：[‘k?r?t?n]
例句：
- Keratin is a protein that is found in hair, nails, and skin.
角蛋白是一种存在于头发、指甲和皮肤中的蛋白质。
- The outer layer of human skin is made up of dead cells that are rich in keratin.
人体皮肤的外层由丰富角蛋白的死细胞构成。
keratin在中文中有”化、角蛋白”的意思，其中文解释还有”角质”的意思，发音音标为[‘ker?tin]，keratin在英语中经常以名词形式出现，在《英语自学简明词典》中，共找到29个与keratin相关的例句。
1.化
例句:The alpha helix is found in muscle protein and keratin. (α螺旋存在于肌肉蛋白和角蛋白中。)
2.角蛋白
例句:She said the goal was to replace the keratin in our skin with the spider’s silk. (埃萨迪说，该项目的目标是用蜘蛛丝取代人类皮肤中的角蛋白。)
3.角质
例句:Gene Mapping in Chinese Pedigree with Hereditary Leukonychia Totalis and Identification of Keratin 7 Gene Mutation (遗传性全白甲致病基因初步定位及角蛋白7基因突变研究更详细。)
keratin一般作为名词使用，如在keratin fiber([化] 角蛋白纤维)、keratin filament(【细胞生物学】角蛋白纤维)、keratin gene(【遗传学】角蛋白基因)等常见短语中出现较多。
keratin fiber[化] 角蛋白纤维keratin filament【细胞生物学】角蛋白纤维keratin gene【遗传学】角蛋白基因keratin pearl角化珠;癌珠wool keratin羊毛角蛋白1. Gene Mapping in Chinese Pedigree with Hereditary Leukonychia Totalis and Identification of Keratin 7 Gene Mutation (翻译:遗传性全白甲致病基因初步定位及角蛋白7基因突变研究更详细。)
2. Now hair, whatever it is for and wherever it is on the human body, is composed mainly of a protein called keratin. (翻译:不管毛发是用来做什么的，也不管它在人体的哪个部位，它都主要由一种叫做角蛋白的蛋白质组成。)
3. Their whiskers, or vibrissae, are composed of keratin and full of nerve fibers that run deep into the connective tissue of their face. (翻译:它们的胡须，或触须， 由角蛋白组成，富含神经纤维， 神经纤维深入其脸部结缔组织。)
4. High resolution electron micrograph of vitreous section of keratin intermediate filaments in the midportion of stratum corneum of human epidermis. (翻译:位于人表皮角质层的角蛋白纤维玻璃切片的高分辨率电镜照片。)
5. Objective: To extract keratin of donkey skin for the preparation of colla corii Asini by polyfunctional extraction apparatus. (翻译:目的：采用多功能提取罐对阿胶制作时驴皮胶朊蛋白质进行提取。)
6. Firstly, the sprouting hair we see is mostly made up of keratin, the protein leftover from dead cells that are forced upwards as new cells grow beneath them. (翻译:首先，我们看到的长出的头发中 有很大一部分是由角质组成的。角质就是因为新细胞在它们之下生长而被向上推的 死细胞中剩余的蛋白质， )
7. Evans says the stratum corneum is made up of helical fibers of keratin that are woven together in a three-dimensional pattern. (翻译:伊埃文斯说，角质层由角蛋白螺旋状纤维维以三维结构紧密交织构成。)
8. Immunologic histochemical observation of anti-crypt keratin of cryptic epithelium of tonsilla in children with chronic tonsillitis (翻译:慢性扁桃体炎患儿扁桃体抗隐窝上皮角蛋白的免疫组化观察)
9. Detection and its clinical significance of anti-idiotypic antibodies directed against rabbit anti-keratin autoantibodies (翻译:家兔抗角蛋白自身抗体独特型抗体的产生及临床意义)
10. In research funded by the European Union, Alessandro Bottaro of the University of Genoa in Italy has devised small keratin bristles that mimic the smallest type of bird feathers, known as coverts. (翻译:欧盟资助的一项研究中，意大利大学的亚历山德罗?波塔罗设计出一种微小型角质蛋白刷毛，他仿照了鸟身上叫做覆羽那种最小的羽毛。)
11. Objective to evaluate the toxicity of chicken calamus keratin (CCK) conduit as a tissue-engineered scaffold material. (翻译:目的观察鸡羽根角蛋白管作为组织工程材料的毒性作用。)
12. Farinaceous endosperm breed LD50 ‘efficiency of decomposition and utilization of storage substance is higher than keratin endosperm breed ND108. (翻译:粉质胚乳型玉米鲁单50对贮藏物质的分解利用效率高于角质型胚乳玉米农大108。)
13. This protein is produced by a wedge of tissue called the keratin matrix. (翻译:称为“角蛋白基质”的组织层 负责生产这种蛋白质， )
14. Rich in blood vessels and nutrients, this protein factory produces an endless stream of keratin, which is tightly packed into cells called keratinocytes. (翻译:该蛋白工厂组织富含血管和营养， 生产出源源不断的角蛋白流， 紧紧塞满了角质细胞。)
15. These conditions are inherited and are based on expression of specific keratin genes which result in the formation of abnormal keratins. (翻译:这些条件是继承，并以特定的角蛋白的基因的表达在结果形成异常角蛋白。)
keratin作为名词的时候，其近义词以及反义词有s、keratins等。
