chitin 的定义
Biochemistry.
- a nitrogen-containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of insects, crustaceans, and arachnids.
更多chitin例句
- Since chitin excels at fighting germs, Zhou’s team suspects the new dressing also would cut the risk of infections.
- To test how much acetylation in the fiber’s chitin worked best, the researchers used 18 rats.
- He’d like to see the chitin dressings tested on bigger sores, however, or ones that are harder to heal.
- Dressings made from chitin with 71 percent of acetylated glucose worked best of all.
- The best-performing chitin gauze sped the growth of new skin cells and blood vessels.
- From end to end of the tube is a fine thread of chitin twisted in a close spiral like a spring.
- You see, the chitin acts both as armor-plate for the soft parts and also as a firm support to the many muscles.
- If, then, this tissue of Pteraspis is not to be looked upon as chitin, how can we imagine its formation?
- This layer is easily dissolved in a solution of hypochlorite of soda, a fluid which dissolves chitin.
- This cuticle is very much thicker than is usually found in vertebrates, and, strangely enough, has been thought to contain chitin.