dilator

n. 詳述者、擴張器、擴張肌

開大肌

學術名詞

• 擴張器：物理化學儀器設備、畜牧學、機械工程、獸醫學
• 擴張劑：畜牧學
• 擴張肌：畜牧學

英文釋義

1. a muscle or nerve that dilates or widens a body part
2. a drug that causes dilation
3. a surgical instrument that is used to dilate or distend an opening or an organ