Biology. The first trace of the heart in an embryo, appearing as a pulsating point. Cf. salient point at salient, adj. 3a. Now chiefly historical.
| 单词 | θ18839 |
| 释义 | the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > heart (2) punctum saliens1653 Biology. The first trace of the heart in an embryo, appearing as a pulsating point. Cf. salient point at salient, adj. 3a. Now chiefly historical. cardioblast1886 a type of embryonic cell from which the dorsal vessel and ultimately the heart of an insect develops. |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。