| 释义 |
ker·a·tin
\ˈkerəd.ə̇n, -ətə̇n\ noun
also ceratin \ˈse-\
(-s)
Etymology: International Scientific Vocabulary kerat-, cerat- + -in
: any of various sulfur-containing fibrous proteins that form the chemical basis of epidermal tissues (as horn, hair, wool, nails, feathers), that are insoluble in most solvents and unlike collagen and other proteins are typically not digested by enzymes of the gastrointestinal tract, and that produce elastic properties of fibers — compare pseudokeratin |