| 释义 |
excalation ex·cal·a·tion (eks'kă-lā'shŭn), Absence, suppression, or failure of development of one of a series of structures, as of a digit or vertebra. [G. ex, from, + chalaō, to abate, release] ex·cal·a·tion (eks'kă-lā'shŭn) Absence, suppression, or failure of development of one of a series of structures, as of a digit or vertebra. [G. ex, from, + chalaō, to abate, release] |