单词 | striation |
释义 | striation /struy ay"sheuhn/, n. 1. striated condition or appearance. 2. a stria; one of many parallel striae. 3. Geol. any of a number of scratches or parallel grooves on the surface of a rock, resulting from the action of moving ice, as of a glacier. 4. Cell Biol. any of the alternating light and dark crossbands that are visible in certain muscle fibers, esp. of voluntary muscles, and are produced by the distribution of contractile proteins. [1840-50; STRIATE + -ION] |
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