epichordal 📖 中文释义 [医] 脊索上的 📘 English Definition(英文释义) a. Upon or above the notochord; -- applied esp. to avertebral column which develops upon the dorsal side of the notochord,as distinguished from a perichordal column, which develops around it. ← epichondrosis E 字母词表 epichordal encephalon →